Home / 25,470.10-38,205.15-8,824.60

Finding the Fourth Proportional to 25,470.10, 38,205.15 and 8,824.60

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Solution

The fourth proportional to 25,470.10, 38,205.15 and 8,824.60 is: 13,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,470.10 : 38,205.15 = 8,824.60 : x
  2. Step 2: Convert to fraction form
    25,470.10/38,205.15 = 8,824.60/x
  3. Step 3: Cross multiply
    25,470.10x = 38,205.15 × 8,824.60
  4. Step 4: Simplify right side
    25,470.10x = 337,145,166.69
  5. Step 5: Solve for x
    x = 337,145,166.69/25,470.10
  6. Step 6: Final answer
    x = 13,236.90

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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.