Home / 26,061.40-39,077.70-8,522.20

Finding the Fourth Proportional to 26,061.40, 39,077.70 and 8,522.20

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Solution

The fourth proportional to 26,061.40, 39,077.70 and 8,522.20 is: 12,778.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,061.40 : 39,077.70 = 8,522.20 : x
  2. Step 2: Convert to fraction form
    26,061.40/39,077.70 = 8,522.20/x
  3. Step 3: Cross multiply
    26,061.40x = 39,077.70 × 8,522.20
  4. Step 4: Simplify right side
    26,061.40x = 333,027,974.94
  5. Step 5: Solve for x
    x = 333,027,974.94/26,061.40
  6. Step 6: Final answer
    x = 12,778.59

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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.