Home / 28,517.31-42,713.61-14,453.19

Finding the Fourth Proportional to 28,517.31, 42,713.61 and 14,453.19

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Solution

The fourth proportional to 28,517.31, 42,713.61 and 14,453.19 is: 21,648.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,517.31 : 42,713.61 = 14,453.19 : x
  2. Step 2: Convert to fraction form
    28,517.31/42,713.61 = 14,453.19/x
  3. Step 3: Cross multiply
    28,517.31x = 42,713.61 × 14,453.19
  4. Step 4: Simplify right side
    28,517.31x = 617,347,920.92
  5. Step 5: Solve for x
    x = 617,347,920.92/28,517.31
  6. Step 6: Final answer
    x = 21,648.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.