Home / 27,725.64-38,261.88-15,150.12

Finding the Fourth Proportional to 27,725.64, 38,261.88 and 15,150.12

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Solution

The fourth proportional to 27,725.64, 38,261.88 and 15,150.12 is: 20,907.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,725.64 : 38,261.88 = 15,150.12 : x
  2. Step 2: Convert to fraction form
    27,725.64/38,261.88 = 15,150.12/x
  3. Step 3: Cross multiply
    27,725.64x = 38,261.88 × 15,150.12
  4. Step 4: Simplify right side
    27,725.64x = 579,672,073.43
  5. Step 5: Solve for x
    x = 579,672,073.43/27,725.64
  6. Step 6: Final answer
    x = 20,907.44

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Half scale
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Double scale
Find fourth proportional to 27,726.64, 38,263.26 and 15,151.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.