Home / 27,905.01-38,509.56-15,158.70

Finding the Fourth Proportional to 27,905.01, 38,509.56 and 15,158.70

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Solution

The fourth proportional to 27,905.01, 38,509.56 and 15,158.70 is: 20,919.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,905.01 : 38,509.56 = 15,158.70 : x
  2. Step 2: Convert to fraction form
    27,905.01/38,509.56 = 15,158.70/x
  3. Step 3: Cross multiply
    27,905.01x = 38,509.56 × 15,158.70
  4. Step 4: Simplify right side
    27,905.01x = 583,754,810.33
  5. Step 5: Solve for x
    x = 583,754,810.33/27,905.01
  6. Step 6: Final answer
    x = 20,919.35

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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.