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Finding the Fourth Proportional to 26,835.92, 40,253.90 and 9,305.76

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Solution

The fourth proportional to 26,835.92, 40,253.90 and 9,305.76 is: 13,958.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,835.92 : 40,253.90 = 9,305.76 : x
  2. Step 2: Convert to fraction form
    26,835.92/40,253.90 = 9,305.76/x
  3. Step 3: Cross multiply
    26,835.92x = 40,253.90 × 9,305.76
  4. Step 4: Simplify right side
    26,835.92x = 374,593,132.46
  5. Step 5: Solve for x
    x = 374,593,132.46/26,835.92
  6. Step 6: Final answer
    x = 13,958.65

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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.