Home / 20,753.64-28,648.26-14,036.04

Finding the Fourth Proportional to 20,753.64, 28,648.26 and 14,036.04

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Solution

The fourth proportional to 20,753.64, 28,648.26 and 14,036.04 is: 19,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,753.64 : 28,648.26 = 14,036.04 : x
  2. Step 2: Convert to fraction form
    20,753.64/28,648.26 = 14,036.04/x
  3. Step 3: Cross multiply
    20,753.64x = 28,648.26 × 14,036.04
  4. Step 4: Simplify right side
    20,753.64x = 402,108,123.29
  5. Step 5: Solve for x
    x = 402,108,123.29/20,753.64
  6. Step 6: Final answer
    x = 19,375.31

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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.