Home / 21,531.38-32,267.00-10,435.13

Finding the Fourth Proportional to 21,531.38, 32,267.00 and 10,435.13

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Solution

The fourth proportional to 21,531.38, 32,267.00 and 10,435.13 is: 15,638.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,531.38 : 32,267.00 = 10,435.13 : x
  2. Step 2: Convert to fraction form
    21,531.38/32,267.00 = 10,435.13/x
  3. Step 3: Cross multiply
    21,531.38x = 32,267.00 × 10,435.13
  4. Step 4: Simplify right side
    21,531.38x = 336,710,204.46
  5. Step 5: Solve for x
    x = 336,710,204.46/21,531.38
  6. Step 6: Final answer
    x = 15,638.11

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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.