Home / 22,843.60-31,519.56-15,758.80

Finding the Fourth Proportional to 22,843.60, 31,519.56 and 15,758.80

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Solution

The fourth proportional to 22,843.60, 31,519.56 and 15,758.80 is: 21,743.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,843.60 : 31,519.56 = 15,758.80 : x
  2. Step 2: Convert to fraction form
    22,843.60/31,519.56 = 15,758.80/x
  3. Step 3: Cross multiply
    22,843.60x = 31,519.56 × 15,758.80
  4. Step 4: Simplify right side
    22,843.60x = 496,710,442.13
  5. Step 5: Solve for x
    x = 496,710,442.13/22,843.60
  6. Step 6: Final answer
    x = 21,743.97

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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.