Home / 28,626.60-39,502.26-16,691.04

Finding the Fourth Proportional to 28,626.60, 39,502.26 and 16,691.04

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Solution

The fourth proportional to 28,626.60, 39,502.26 and 16,691.04 is: 23,032.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,626.60 : 39,502.26 = 16,691.04 : x
  2. Step 2: Convert to fraction form
    28,626.60/39,502.26 = 16,691.04/x
  3. Step 3: Cross multiply
    28,626.60x = 39,502.26 × 16,691.04
  4. Step 4: Simplify right side
    28,626.60x = 659,333,801.75
  5. Step 5: Solve for x
    x = 659,333,801.75/28,626.60
  6. Step 6: Final answer
    x = 23,032.21

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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.