Home / 26,280.90-39,423.87-8,751.96

Finding the Fourth Proportional to 26,280.90, 39,423.87 and 8,751.96

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Solution

The fourth proportional to 26,280.90, 39,423.87 and 8,751.96 is: 13,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,280.90 : 39,423.87 = 8,751.96 : x
  2. Step 2: Convert to fraction form
    26,280.90/39,423.87 = 8,751.96/x
  3. Step 3: Cross multiply
    26,280.90x = 39,423.87 × 8,751.96
  4. Step 4: Simplify right side
    26,280.90x = 345,036,133.29
  5. Step 5: Solve for x
    x = 345,036,133.29/26,280.90
  6. Step 6: Final answer
    x = 13,128.78

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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.