Home / 25,280.10-37,920.15-8,634.60

Finding the Fourth Proportional to 25,280.10, 37,920.15 and 8,634.60

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Solution

The fourth proportional to 25,280.10, 37,920.15 and 8,634.60 is: 12,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,280.10 : 37,920.15 = 8,634.60 : x
  2. Step 2: Convert to fraction form
    25,280.10/37,920.15 = 8,634.60/x
  3. Step 3: Cross multiply
    25,280.10x = 37,920.15 × 8,634.60
  4. Step 4: Simplify right side
    25,280.10x = 327,425,327.19
  5. Step 5: Solve for x
    x = 327,425,327.19/25,280.10
  6. Step 6: Final answer
    x = 12,951.90

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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.