Home / 26,888.06-40,333.68-8,168.72

Finding the Fourth Proportional to 26,888.06, 40,333.68 and 8,168.72

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Solution

The fourth proportional to 26,888.06, 40,333.68 and 8,168.72 is: 12,253.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,888.06 : 40,333.68 = 8,168.72 : x
  2. Step 2: Convert to fraction form
    26,888.06/40,333.68 = 8,168.72/x
  3. Step 3: Cross multiply
    26,888.06x = 40,333.68 × 8,168.72
  4. Step 4: Simplify right side
    26,888.06x = 329,474,538.49
  5. Step 5: Solve for x
    x = 329,474,538.49/26,888.06
  6. Step 6: Final answer
    x = 12,253.56

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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.