Home / 26,299.50-36,294.12-15,121.50

Finding the Fourth Proportional to 26,299.50, 36,294.12 and 15,121.50

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Solution

The fourth proportional to 26,299.50, 36,294.12 and 15,121.50 is: 20,868.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,299.50 : 36,294.12 = 15,121.50 : x
  2. Step 2: Convert to fraction form
    26,299.50/36,294.12 = 15,121.50/x
  3. Step 3: Cross multiply
    26,299.50x = 36,294.12 × 15,121.50
  4. Step 4: Simplify right side
    26,299.50x = 548,821,535.58
  5. Step 5: Solve for x
    x = 548,821,535.58/26,299.50
  6. Step 6: Final answer
    x = 20,868.14

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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.