Home / 27,663.22-38,175.60-15,088.78

Finding the Fourth Proportional to 27,663.22, 38,175.60 and 15,088.78

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Solution

The fourth proportional to 27,663.22, 38,175.60 and 15,088.78 is: 20,822.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,663.22 : 38,175.60 = 15,088.78 : x
  2. Step 2: Convert to fraction form
    27,663.22/38,175.60 = 15,088.78/x
  3. Step 3: Cross multiply
    27,663.22x = 38,175.60 × 15,088.78
  4. Step 4: Simplify right side
    27,663.22x = 576,023,229.77
  5. Step 5: Solve for x
    x = 576,023,229.77/27,663.22
  6. Step 6: Final answer
    x = 20,822.71

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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.