Home / 22,565.89-31,141.26-13,000.50

Finding the Fourth Proportional to 22,565.89, 31,141.26 and 13,000.50

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Solution

The fourth proportional to 22,565.89, 31,141.26 and 13,000.50 is: 17,940.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,565.89 : 31,141.26 = 13,000.50 : x
  2. Step 2: Convert to fraction form
    22,565.89/31,141.26 = 13,000.50/x
  3. Step 3: Cross multiply
    22,565.89x = 31,141.26 × 13,000.50
  4. Step 4: Simplify right side
    22,565.89x = 404,851,918.13
  5. Step 5: Solve for x
    x = 404,851,918.13/22,565.89
  6. Step 6: Final answer
    x = 17,940.88

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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.