Home / 27,966.86-38,593.98-15,869.58

Finding the Fourth Proportional to 27,966.86, 38,593.98 and 15,869.58

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Solution

The fourth proportional to 27,966.86, 38,593.98 and 15,869.58 is: 21,899.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,966.86 : 38,593.98 = 15,869.58 : x
  2. Step 2: Convert to fraction form
    27,966.86/38,593.98 = 15,869.58/x
  3. Step 3: Cross multiply
    27,966.86x = 38,593.98 × 15,869.58
  4. Step 4: Simplify right side
    27,966.86x = 612,470,253.13
  5. Step 5: Solve for x
    x = 612,470,253.13/27,966.86
  6. Step 6: Final answer
    x = 21,899.86

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