Home / 27,725.72-38,261.64-15,626.39

Finding the Fourth Proportional to 27,725.72, 38,261.64 and 15,626.39

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Solution

The fourth proportional to 27,725.72, 38,261.64 and 15,626.39 is: 21,564.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,725.72 : 38,261.64 = 15,626.39 : x
  2. Step 2: Convert to fraction form
    27,725.72/38,261.64 = 15,626.39/x
  3. Step 3: Cross multiply
    27,725.72x = 38,261.64 × 15,626.39
  4. Step 4: Simplify right side
    27,725.72x = 597,891,117.37
  5. Step 5: Solve for x
    x = 597,891,117.37/27,725.72
  6. Step 6: Final answer
    x = 21,564.50

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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.