Home / 22,761.88-31,391.76-14,801.20

Finding the Fourth Proportional to 22,761.88, 31,391.76 and 14,801.20

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Solution

The fourth proportional to 22,761.88, 31,391.76 and 14,801.20 is: 20,412.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,761.88 : 31,391.76 = 14,801.20 : x
  2. Step 2: Convert to fraction form
    22,761.88/31,391.76 = 14,801.20/x
  3. Step 3: Cross multiply
    22,761.88x = 31,391.76 × 14,801.20
  4. Step 4: Simplify right side
    22,761.88x = 464,635,718.11
  5. Step 5: Solve for x
    x = 464,635,718.11/22,761.88
  6. Step 6: Final answer
    x = 20,412.89

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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.