Home / 25,360.57-38,043.11-6,640.57

Finding the Fourth Proportional to 25,360.57, 38,043.11 and 6,640.57

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Solution

The fourth proportional to 25,360.57, 38,043.11 and 6,640.57 is: 9,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,360.57 : 38,043.11 = 6,640.57 : x
  2. Step 2: Convert to fraction form
    25,360.57/38,043.11 = 6,640.57/x
  3. Step 3: Cross multiply
    25,360.57x = 38,043.11 × 6,640.57
  4. Step 4: Simplify right side
    25,360.57x = 252,627,934.97
  5. Step 5: Solve for x
    x = 252,627,934.97/25,360.57
  6. Step 6: Final answer
    x = 9,961.45

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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.