Home / 25,247.45-37,869.80-7,715.90

Finding the Fourth Proportional to 25,247.45, 37,869.80 and 7,715.90

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Solution

The fourth proportional to 25,247.45, 37,869.80 and 7,715.90 is: 11,573.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,247.45 : 37,869.80 = 7,715.90 : x
  2. Step 2: Convert to fraction form
    25,247.45/37,869.80 = 7,715.90/x
  3. Step 3: Cross multiply
    25,247.45x = 37,869.80 × 7,715.90
  4. Step 4: Simplify right side
    25,247.45x = 292,199,361.89
  5. Step 5: Solve for x
    x = 292,199,361.89/25,247.45
  6. Step 6: Final answer
    x = 11,573.42

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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.