Home / 25,019.40-37,531.80-8,378.76

Finding the Fourth Proportional to 25,019.40, 37,531.80 and 8,378.76

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Solution

The fourth proportional to 25,019.40, 37,531.80 and 8,378.76 is: 12,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,019.40 : 37,531.80 = 8,378.76 : x
  2. Step 2: Convert to fraction form
    25,019.40/37,531.80 = 8,378.76/x
  3. Step 3: Cross multiply
    25,019.40x = 37,531.80 × 8,378.76
  4. Step 4: Simplify right side
    25,019.40x = 314,469,944.57
  5. Step 5: Solve for x
    x = 314,469,944.57/25,019.40
  6. Step 6: Final answer
    x = 12,569.04

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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.