Home / 21,376.80-32,073.40-15,057.74

Finding the Fourth Proportional to 21,376.80, 32,073.40 and 15,057.74

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Solution

The fourth proportional to 21,376.80, 32,073.40 and 15,057.74 is: 22,592.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376.80 : 32,073.40 = 15,057.74 : x
  2. Step 2: Convert to fraction form
    21,376.80/32,073.40 = 15,057.74/x
  3. Step 3: Cross multiply
    21,376.80x = 32,073.40 × 15,057.74
  4. Step 4: Simplify right side
    21,376.80x = 482,952,918.12
  5. Step 5: Solve for x
    x = 482,952,918.12/21,376.80
  6. Step 6: Final answer
    x = 22,592.39

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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.