Home / 28,863.68-39,854.40-22,593.92

Finding the Fourth Proportional to 28,863.68, 39,854.40 and 22,593.92

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Solution

The fourth proportional to 28,863.68, 39,854.40 and 22,593.92 is: 31,197.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,863.68 : 39,854.40 = 22,593.92 : x
  2. Step 2: Convert to fraction form
    28,863.68/39,854.40 = 22,593.92/x
  3. Step 3: Cross multiply
    28,863.68x = 39,854.40 × 22,593.92
  4. Step 4: Simplify right side
    28,863.68x = 900,467,125.25
  5. Step 5: Solve for x
    x = 900,467,125.25/28,863.68
  6. Step 6: Final answer
    x = 31,197.24

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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.