Home / 28,409.89-42,627.13-15,246.88

Finding the Fourth Proportional to 28,409.89, 42,627.13 and 15,246.88

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Solution

The fourth proportional to 28,409.89, 42,627.13 and 15,246.88 is: 22,876.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,409.89 : 42,627.13 = 15,246.88 : x
  2. Step 2: Convert to fraction form
    28,409.89/42,627.13 = 15,246.88/x
  3. Step 3: Cross multiply
    28,409.89x = 42,627.13 × 15,246.88
  4. Step 4: Simplify right side
    28,409.89x = 649,930,446.48
  5. Step 5: Solve for x
    x = 649,930,446.48/28,409.89
  6. Step 6: Final answer
    x = 22,876.91

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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.