Home / 38,566.90-57,859.02-13,607.15

Finding the Fourth Proportional to 38,566.90, 57,859.02 and 13,607.15

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Solution

The fourth proportional to 38,566.90, 57,859.02 and 13,607.15 is: 20,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,566.90 : 57,859.02 = 13,607.15 : x
  2. Step 2: Convert to fraction form
    38,566.90/57,859.02 = 13,607.15/x
  3. Step 3: Cross multiply
    38,566.90x = 57,859.02 × 13,607.15
  4. Step 4: Simplify right side
    38,566.90x = 787,296,363.99
  5. Step 5: Solve for x
    x = 787,296,363.99/38,566.90
  6. Step 6: Final answer
    x = 20,413.78

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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.