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Finding the Fourth Proportional to 26,822.13, 40,233.19 and 8,354.13

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Solution

The fourth proportional to 26,822.13, 40,233.19 and 8,354.13 is: 12,531.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,822.13 : 40,233.19 = 8,354.13 : x
  2. Step 2: Convert to fraction form
    26,822.13/40,233.19 = 8,354.13/x
  3. Step 3: Cross multiply
    26,822.13x = 40,233.19 × 8,354.13
  4. Step 4: Simplify right side
    26,822.13x = 336,113,299.57
  5. Step 5: Solve for x
    x = 336,113,299.57/26,822.13
  6. Step 6: Final answer
    x = 12,531.19

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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.