Home / 28,433.60-42,650.40-15,292.16

Finding the Fourth Proportional to 28,433.60, 42,650.40 and 15,292.16

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Solution

The fourth proportional to 28,433.60, 42,650.40 and 15,292.16 is: 22,938.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,433.60 : 42,650.40 = 15,292.16 : x
  2. Step 2: Convert to fraction form
    28,433.60/42,650.40 = 15,292.16/x
  3. Step 3: Cross multiply
    28,433.60x = 42,650.40 × 15,292.16
  4. Step 4: Simplify right side
    28,433.60x = 652,216,740.86
  5. Step 5: Solve for x
    x = 652,216,740.86/28,433.60
  6. Step 6: Final answer
    x = 22,938.24

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Similar ratio
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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.