Home / 21,587.44-32,372.68-10,490.88

Finding the Fourth Proportional to 21,587.44, 32,372.68 and 10,490.88

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Solution

The fourth proportional to 21,587.44, 32,372.68 and 10,490.88 is: 15,732.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,587.44 : 32,372.68 = 10,490.88 : x
  2. Step 2: Convert to fraction form
    21,587.44/32,372.68 = 10,490.88/x
  3. Step 3: Cross multiply
    21,587.44x = 32,372.68 × 10,490.88
  4. Step 4: Simplify right side
    21,587.44x = 339,617,901.16
  5. Step 5: Solve for x
    x = 339,617,901.16/21,587.44
  6. Step 6: Final answer
    x = 15,732.20

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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.