Home / 21,581.98-32,366.94-13,672.74

Finding the Fourth Proportional to 21,581.98, 32,366.94 and 13,672.74

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Solution

The fourth proportional to 21,581.98, 32,366.94 and 13,672.74 is: 20,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581.98 : 32,366.94 = 13,672.74 : x
  2. Step 2: Convert to fraction form
    21,581.98/32,366.94 = 13,672.74/x
  3. Step 3: Cross multiply
    21,581.98x = 32,366.94 × 13,672.74
  4. Step 4: Simplify right side
    21,581.98x = 442,544,755.22
  5. Step 5: Solve for x
    x = 442,544,755.22/21,581.98
  6. Step 6: Final answer
    x = 20,505.29

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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.