Home / 26,721.18-40,082.04-11,930.85

Finding the Fourth Proportional to 26,721.18, 40,082.04 and 11,930.85

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Solution

The fourth proportional to 26,721.18, 40,082.04 and 11,930.85 is: 17,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,721.18 : 40,082.04 = 11,930.85 : x
  2. Step 2: Convert to fraction form
    26,721.18/40,082.04 = 11,930.85/x
  3. Step 3: Cross multiply
    26,721.18x = 40,082.04 × 11,930.85
  4. Step 4: Simplify right side
    26,721.18x = 478,212,806.93
  5. Step 5: Solve for x
    x = 478,212,806.93/26,721.18
  6. Step 6: Final answer
    x = 17,896.40

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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.