Home / 38,022.28-52,475.70-21,258.76

Finding the Fourth Proportional to 38,022.28, 52,475.70 and 21,258.76

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Solution

The fourth proportional to 38,022.28, 52,475.70 and 21,258.76 is: 29,339.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,022.28 : 52,475.70 = 21,258.76 : x
  2. Step 2: Convert to fraction form
    38,022.28/52,475.70 = 21,258.76/x
  3. Step 3: Cross multiply
    38,022.28x = 52,475.70 × 21,258.76
  4. Step 4: Simplify right side
    38,022.28x = 1,115,568,312.13
  5. Step 5: Solve for x
    x = 1,115,568,312.13/38,022.28
  6. Step 6: Final answer
    x = 29,339.86

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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.