Home / 21,901.38-32,875.45-9,427.58

Finding the Fourth Proportional to 21,901.38, 32,875.45 and 9,427.58

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Solution

The fourth proportional to 21,901.38, 32,875.45 and 9,427.58 is: 14,151.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,901.38 : 32,875.45 = 9,427.58 : x
  2. Step 2: Convert to fraction form
    21,901.38/32,875.45 = 9,427.58/x
  3. Step 3: Cross multiply
    21,901.38x = 32,875.45 × 9,427.58
  4. Step 4: Simplify right side
    21,901.38x = 309,935,934.91
  5. Step 5: Solve for x
    x = 309,935,934.91/21,901.38
  6. Step 6: Final answer
    x = 14,151.43

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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.