Home / 28,872.29-39,843.59-16,125.32

Finding the Fourth Proportional to 28,872.29, 39,843.59 and 16,125.32

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Solution

The fourth proportional to 28,872.29, 39,843.59 and 16,125.32 is: 22,252.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872.29 : 39,843.59 = 16,125.32 : x
  2. Step 2: Convert to fraction form
    28,872.29/39,843.59 = 16,125.32/x
  3. Step 3: Cross multiply
    28,872.29x = 39,843.59 × 16,125.32
  4. Step 4: Simplify right side
    28,872.29x = 642,490,358.85
  5. Step 5: Solve for x
    x = 642,490,358.85/28,872.29
  6. Step 6: Final answer
    x = 22,252.84

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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.