Home / 26,890.17-40,335.25-7,168.79

Finding the Fourth Proportional to 26,890.17, 40,335.25 and 7,168.79

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Solution

The fourth proportional to 26,890.17, 40,335.25 and 7,168.79 is: 10,753.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.17 : 40,335.25 = 7,168.79 : x
  2. Step 2: Convert to fraction form
    26,890.17/40,335.25 = 7,168.79/x
  3. Step 3: Cross multiply
    26,890.17x = 40,335.25 × 7,168.79
  4. Step 4: Simplify right side
    26,890.17x = 289,154,936.85
  5. Step 5: Solve for x
    x = 289,154,936.85/26,890.17
  6. Step 6: Final answer
    x = 10,753.18

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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.