Home / 26,510.85-39,766.55-7,791.22

Finding the Fourth Proportional to 26,510.85, 39,766.55 and 7,791.22

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Solution

The fourth proportional to 26,510.85, 39,766.55 and 7,791.22 is: 11,686.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,510.85 : 39,766.55 = 7,791.22 : x
  2. Step 2: Convert to fraction form
    26,510.85/39,766.55 = 7,791.22/x
  3. Step 3: Cross multiply
    26,510.85x = 39,766.55 × 7,791.22
  4. Step 4: Simplify right side
    26,510.85x = 309,829,905.10
  5. Step 5: Solve for x
    x = 309,829,905.10/26,510.85
  6. Step 6: Final answer
    x = 11,686.91

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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.