Home / 26,287.50-36,283.23-15,115.98

Finding the Fourth Proportional to 26,287.50, 36,283.23 and 15,115.98

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Solution

The fourth proportional to 26,287.50, 36,283.23 and 15,115.98 is: 20,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.50 : 36,283.23 = 15,115.98 : x
  2. Step 2: Convert to fraction form
    26,287.50/36,283.23 = 15,115.98/x
  3. Step 3: Cross multiply
    26,287.50x = 36,283.23 × 15,115.98
  4. Step 4: Simplify right side
    26,287.50x = 548,456,579.02
  5. Step 5: Solve for x
    x = 548,456,579.02/26,287.50
  6. Step 6: Final answer
    x = 20,863.78

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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.