Home / 26,697.12-40,020.90-12,663.73

Finding the Fourth Proportional to 26,697.12, 40,020.90 and 12,663.73

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Solution

The fourth proportional to 26,697.12, 40,020.90 and 12,663.73 is: 18,983.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,697.12 : 40,020.90 = 12,663.73 : x
  2. Step 2: Convert to fraction form
    26,697.12/40,020.90 = 12,663.73/x
  3. Step 3: Cross multiply
    26,697.12x = 40,020.90 × 12,663.73
  4. Step 4: Simplify right side
    26,697.12x = 506,813,871.96
  5. Step 5: Solve for x
    x = 506,813,871.96/26,697.12
  6. Step 6: Final answer
    x = 18,983.84

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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.