Home / 26,280.65-39,426.55-8,751.85

Finding the Fourth Proportional to 26,280.65, 39,426.55 and 8,751.85

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Solution

The fourth proportional to 26,280.65, 39,426.55 and 8,751.85 is: 13,129.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,280.65 : 39,426.55 = 8,751.85 : x
  2. Step 2: Convert to fraction form
    26,280.65/39,426.55 = 8,751.85/x
  3. Step 3: Cross multiply
    26,280.65x = 39,426.55 × 8,751.85
  4. Step 4: Simplify right side
    26,280.65x = 345,055,131.17
  5. Step 5: Solve for x
    x = 345,055,131.17/26,280.65
  6. Step 6: Final answer
    x = 13,129.63

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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.