Home / 21,335.87-29,451.56-16,045.95

Finding the Fourth Proportional to 21,335.87, 29,451.56 and 16,045.95

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Solution

The fourth proportional to 21,335.87, 29,451.56 and 16,045.95 is: 22,149.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335.87 : 29,451.56 = 16,045.95 : x
  2. Step 2: Convert to fraction form
    21,335.87/29,451.56 = 16,045.95/x
  3. Step 3: Cross multiply
    21,335.87x = 29,451.56 × 16,045.95
  4. Step 4: Simplify right side
    21,335.87x = 472,578,178.95
  5. Step 5: Solve for x
    x = 472,578,178.95/21,335.87
  6. Step 6: Final answer
    x = 22,149.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.