Home / 27,269.13-40,904.61-7,278.42

Finding the Fourth Proportional to 27,269.13, 40,904.61 and 7,278.42

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Solution

The fourth proportional to 27,269.13, 40,904.61 and 7,278.42 is: 10,917.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,269.13 : 40,904.61 = 7,278.42 : x
  2. Step 2: Convert to fraction form
    27,269.13/40,904.61 = 7,278.42/x
  3. Step 3: Cross multiply
    27,269.13x = 40,904.61 × 7,278.42
  4. Step 4: Simplify right side
    27,269.13x = 297,720,931.52
  5. Step 5: Solve for x
    x = 297,720,931.52/27,269.13
  6. Step 6: Final answer
    x = 10,917.87

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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.