Home / 27,632-38,132.16-15,056.75

Finding the Fourth Proportional to 27,632, 38,132.16 and 15,056.75

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Solution

The fourth proportional to 27,632, 38,132.16 and 15,056.75 is: 20,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,632 : 38,132.16 = 15,056.75 : x
  2. Step 2: Convert to fraction form
    27,632/38,132.16 = 15,056.75/x
  3. Step 3: Cross multiply
    27,632x = 38,132.16 × 15,056.75
  4. Step 4: Simplify right side
    27,632x = 574,146,400.08
  5. Step 5: Solve for x
    x = 574,146,400.08/27,632
  6. Step 6: Final answer
    x = 20,778.32

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Double scale
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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.