Home / 38,068.40-57,098.49-9,991.27

Finding the Fourth Proportional to 38,068.40, 57,098.49 and 9,991.27

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Solution

The fourth proportional to 38,068.40, 57,098.49 and 9,991.27 is: 14,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,068.40 : 57,098.49 = 9,991.27 : x
  2. Step 2: Convert to fraction form
    38,068.40/57,098.49 = 9,991.27/x
  3. Step 3: Cross multiply
    38,068.40x = 57,098.49 × 9,991.27
  4. Step 4: Simplify right side
    38,068.40x = 570,486,430.18
  5. Step 5: Solve for x
    x = 570,486,430.18/38,068.40
  6. Step 6: Final answer
    x = 14,985.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.