Home / 25,180.20-34,750.49-15,108.39

Finding the Fourth Proportional to 25,180.20, 34,750.49 and 15,108.39

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Solution

The fourth proportional to 25,180.20, 34,750.49 and 15,108.39 is: 20,850.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,180.20 : 34,750.49 = 15,108.39 : x
  2. Step 2: Convert to fraction form
    25,180.20/34,750.49 = 15,108.39/x
  3. Step 3: Cross multiply
    25,180.20x = 34,750.49 × 15,108.39
  4. Step 4: Simplify right side
    25,180.20x = 525,023,880.07
  5. Step 5: Solve for x
    x = 525,023,880.07/25,180.20
  6. Step 6: Final answer
    x = 20,850.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.