Home / 25,005.60-37,479.78-11,839.32

Finding the Fourth Proportional to 25,005.60, 37,479.78 and 11,839.32

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Solution

The fourth proportional to 25,005.60, 37,479.78 and 11,839.32 is: 17,745.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,005.60 : 37,479.78 = 11,839.32 : x
  2. Step 2: Convert to fraction form
    25,005.60/37,479.78 = 11,839.32/x
  3. Step 3: Cross multiply
    25,005.60x = 37,479.78 × 11,839.32
  4. Step 4: Simplify right side
    25,005.60x = 443,735,108.95
  5. Step 5: Solve for x
    x = 443,735,108.95/25,005.60
  6. Step 6: Final answer
    x = 17,745.43

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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.