Home / 38,197.28-52,714.32-21,429.92

Finding the Fourth Proportional to 38,197.28, 52,714.32 and 21,429.92

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Solution

The fourth proportional to 38,197.28, 52,714.32 and 21,429.92 is: 29,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,197.28 : 52,714.32 = 21,429.92 : x
  2. Step 2: Convert to fraction form
    38,197.28/52,714.32 = 21,429.92/x
  3. Step 3: Cross multiply
    38,197.28x = 52,714.32 × 21,429.92
  4. Step 4: Simplify right side
    38,197.28x = 1,129,663,660.45
  5. Step 5: Solve for x
    x = 1,129,663,660.45/38,197.28
  6. Step 6: Final answer
    x = 29,574.45

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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.