Home / 38,022.40-52,473.28-21,255.36

Finding the Fourth Proportional to 38,022.40, 52,473.28 and 21,255.36

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Solution

The fourth proportional to 38,022.40, 52,473.28 and 21,255.36 is: 29,333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,022.40 : 52,473.28 = 21,255.36 : x
  2. Step 2: Convert to fraction form
    38,022.40/52,473.28 = 21,255.36/x
  3. Step 3: Cross multiply
    38,022.40x = 52,473.28 × 21,255.36
  4. Step 4: Simplify right side
    38,022.40x = 1,115,338,456.78
  5. Step 5: Solve for x
    x = 1,115,338,456.78/38,022.40
  6. Step 6: Final answer
    x = 29,333.72

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Half scale
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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.