Home / 25,115.28-37,646.72-8,469.60

Finding the Fourth Proportional to 25,115.28, 37,646.72 and 8,469.60

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Solution

The fourth proportional to 25,115.28, 37,646.72 and 8,469.60 is: 12,695.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115.28 : 37,646.72 = 8,469.60 : x
  2. Step 2: Convert to fraction form
    25,115.28/37,646.72 = 8,469.60/x
  3. Step 3: Cross multiply
    25,115.28x = 37,646.72 × 8,469.60
  4. Step 4: Simplify right side
    25,115.28x = 318,852,555.59
  5. Step 5: Solve for x
    x = 318,852,555.59/25,115.28
  6. Step 6: Final answer
    x = 12,695.56

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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.