Home / 28,375.97-39,156.95-16,437.17

Finding the Fourth Proportional to 28,375.97, 39,156.95 and 16,437.17

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Solution

The fourth proportional to 28,375.97, 39,156.95 and 16,437.17 is: 22,682.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,375.97 : 39,156.95 = 16,437.17 : x
  2. Step 2: Convert to fraction form
    28,375.97/39,156.95 = 16,437.17/x
  3. Step 3: Cross multiply
    28,375.97x = 39,156.95 × 16,437.17
  4. Step 4: Simplify right side
    28,375.97x = 643,629,582.82
  5. Step 5: Solve for x
    x = 643,629,582.82/28,375.97
  6. Step 6: Final answer
    x = 22,682.21

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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.