Home / 26,000.99-39,001.46-8,470.79

Finding the Fourth Proportional to 26,000.99, 39,001.46 and 8,470.79

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Solution

The fourth proportional to 26,000.99, 39,001.46 and 8,470.79 is: 12,706.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,000.99 : 39,001.46 = 8,470.79 : x
  2. Step 2: Convert to fraction form
    26,000.99/39,001.46 = 8,470.79/x
  3. Step 3: Cross multiply
    26,000.99x = 39,001.46 × 8,470.79
  4. Step 4: Simplify right side
    26,000.99x = 330,373,135.00
  5. Step 5: Solve for x
    x = 330,373,135.00/26,000.99
  6. Step 6: Final answer
    x = 12,706.18

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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.