Home / 25,138.60-37,701.67-8,498.28

Finding the Fourth Proportional to 25,138.60, 37,701.67 and 8,498.28

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Solution

The fourth proportional to 25,138.60, 37,701.67 and 8,498.28 is: 12,745.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,138.60 : 37,701.67 = 8,498.28 : x
  2. Step 2: Convert to fraction form
    25,138.60/37,701.67 = 8,498.28/x
  3. Step 3: Cross multiply
    25,138.60x = 37,701.67 × 8,498.28
  4. Step 4: Simplify right side
    25,138.60x = 320,399,348.13
  5. Step 5: Solve for x
    x = 320,399,348.13/25,138.60
  6. Step 6: Final answer
    x = 12,745.31

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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.