Home / 26,869.55-40,288.64-10,230.72

Finding the Fourth Proportional to 26,869.55, 40,288.64 and 10,230.72

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Solution

The fourth proportional to 26,869.55, 40,288.64 and 10,230.72 is: 15,340.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,869.55 : 40,288.64 = 10,230.72 : x
  2. Step 2: Convert to fraction form
    26,869.55/40,288.64 = 10,230.72/x
  3. Step 3: Cross multiply
    26,869.55x = 40,288.64 × 10,230.72
  4. Step 4: Simplify right side
    26,869.55x = 412,181,743.87
  5. Step 5: Solve for x
    x = 412,181,743.87/26,869.55
  6. Step 6: Final answer
    x = 15,340.11

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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.