Home / 25,272.78-37,909.32-11,229.50

Finding the Fourth Proportional to 25,272.78, 37,909.32 and 11,229.50

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Solution

The fourth proportional to 25,272.78, 37,909.32 and 11,229.50 is: 16,844.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,272.78 : 37,909.32 = 11,229.50 : x
  2. Step 2: Convert to fraction form
    25,272.78/37,909.32 = 11,229.50/x
  3. Step 3: Cross multiply
    25,272.78x = 37,909.32 × 11,229.50
  4. Step 4: Simplify right side
    25,272.78x = 425,702,761.60
  5. Step 5: Solve for x
    x = 425,702,761.60/25,272.78
  6. Step 6: Final answer
    x = 16,844.32

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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.