Home / 28,680.26-39,581.44-17,352.54

Finding the Fourth Proportional to 28,680.26, 39,581.44 and 17,352.54

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Solution

The fourth proportional to 28,680.26, 39,581.44 and 17,352.54 is: 23,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,680.26 : 39,581.44 = 17,352.54 : x
  2. Step 2: Convert to fraction form
    28,680.26/39,581.44 = 17,352.54/x
  3. Step 3: Cross multiply
    28,680.26x = 39,581.44 × 17,352.54
  4. Step 4: Simplify right side
    28,680.26x = 686,838,520.86
  5. Step 5: Solve for x
    x = 686,838,520.86/28,680.26
  6. Step 6: Final answer
    x = 23,948.13

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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.