Home / 21,400.98-32,132.64-15,193.95

Finding the Fourth Proportional to 21,400.98, 32,132.64 and 15,193.95

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Solution

The fourth proportional to 21,400.98, 32,132.64 and 15,193.95 is: 22,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400.98 : 32,132.64 = 15,193.95 : x
  2. Step 2: Convert to fraction form
    21,400.98/32,132.64 = 15,193.95/x
  3. Step 3: Cross multiply
    21,400.98x = 32,132.64 × 15,193.95
  4. Step 4: Simplify right side
    21,400.98x = 488,221,725.53
  5. Step 5: Solve for x
    x = 488,221,725.53/21,400.98
  6. Step 6: Final answer
    x = 22,813.05

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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.