Home / 26,929.24-40,399.91-8,211.17

Finding the Fourth Proportional to 26,929.24, 40,399.91 and 8,211.17

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Solution

The fourth proportional to 26,929.24, 40,399.91 and 8,211.17 is: 12,318.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.24 : 40,399.91 = 8,211.17 : x
  2. Step 2: Convert to fraction form
    26,929.24/40,399.91 = 8,211.17/x
  3. Step 3: Cross multiply
    26,929.24x = 40,399.91 × 8,211.17
  4. Step 4: Simplify right side
    26,929.24x = 331,730,347.52
  5. Step 5: Solve for x
    x = 331,730,347.52/26,929.24
  6. Step 6: Final answer
    x = 12,318.59

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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.