Home / 28,541.80-39,387.92-16,612.04

Finding the Fourth Proportional to 28,541.80, 39,387.92 and 16,612.04

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Solution

The fourth proportional to 28,541.80, 39,387.92 and 16,612.04 is: 22,924.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541.80 : 39,387.92 = 16,612.04 : x
  2. Step 2: Convert to fraction form
    28,541.80/39,387.92 = 16,612.04/x
  3. Step 3: Cross multiply
    28,541.80x = 39,387.92 × 16,612.04
  4. Step 4: Simplify right side
    28,541.80x = 654,313,702.56
  5. Step 5: Solve for x
    x = 654,313,702.56/28,541.80
  6. Step 6: Final answer
    x = 22,924.75

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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.