Home / 28,834.27-39,792.68-16,258.75

Finding the Fourth Proportional to 28,834.27, 39,792.68 and 16,258.75

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Solution

The fourth proportional to 28,834.27, 39,792.68 and 16,258.75 is: 22,437.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834.27 : 39,792.68 = 16,258.75 : x
  2. Step 2: Convert to fraction form
    28,834.27/39,792.68 = 16,258.75/x
  3. Step 3: Cross multiply
    28,834.27x = 39,792.68 × 16,258.75
  4. Step 4: Simplify right side
    28,834.27x = 646,979,235.95
  5. Step 5: Solve for x
    x = 646,979,235.95/28,834.27
  6. Step 6: Final answer
    x = 22,437.86

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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.