Home / 26,719.28-36,872.40-15,969.04

Finding the Fourth Proportional to 26,719.28, 36,872.40 and 15,969.04

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Solution

The fourth proportional to 26,719.28, 36,872.40 and 15,969.04 is: 22,037.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,719.28 : 36,872.40 = 15,969.04 : x
  2. Step 2: Convert to fraction form
    26,719.28/36,872.40 = 15,969.04/x
  3. Step 3: Cross multiply
    26,719.28x = 36,872.40 × 15,969.04
  4. Step 4: Simplify right side
    26,719.28x = 588,816,830.50
  5. Step 5: Solve for x
    x = 588,816,830.50/26,719.28
  6. Step 6: Final answer
    x = 22,037.15

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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.