Home / 19,562.80-29,279.40-18,007.60

Finding the Fourth Proportional to 19,562.80, 29,279.40 and 18,007.60

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Solution

The fourth proportional to 19,562.80, 29,279.40 and 18,007.60 is: 26,951.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,562.80 : 29,279.40 = 18,007.60 : x
  2. Step 2: Convert to fraction form
    19,562.80/29,279.40 = 18,007.60/x
  3. Step 3: Cross multiply
    19,562.80x = 29,279.40 × 18,007.60
  4. Step 4: Simplify right side
    19,562.80x = 527,251,723.44
  5. Step 5: Solve for x
    x = 527,251,723.44/19,562.80
  6. Step 6: Final answer
    x = 26,951.75

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1.5x scale

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.