Home / 28,753.91-43,135.13-14,721.88

Finding the Fourth Proportional to 28,753.91, 43,135.13 and 14,721.88

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Solution

The fourth proportional to 28,753.91, 43,135.13 and 14,721.88 is: 22,085.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,753.91 : 43,135.13 = 14,721.88 : x
  2. Step 2: Convert to fraction form
    28,753.91/43,135.13 = 14,721.88/x
  3. Step 3: Cross multiply
    28,753.91x = 43,135.13 × 14,721.88
  4. Step 4: Simplify right side
    28,753.91x = 635,030,026.20
  5. Step 5: Solve for x
    x = 635,030,026.20/28,753.91
  6. Step 6: Final answer
    x = 22,085.00

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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.