Home / 27,919.69-38,562.08-18,471.85

Finding the Fourth Proportional to 27,919.69, 38,562.08 and 18,471.85

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Solution

The fourth proportional to 27,919.69, 38,562.08 and 18,471.85 is: 25,512.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,919.69 : 38,562.08 = 18,471.85 : x
  2. Step 2: Convert to fraction form
    27,919.69/38,562.08 = 18,471.85/x
  3. Step 3: Cross multiply
    27,919.69x = 38,562.08 × 18,471.85
  4. Step 4: Simplify right side
    27,919.69x = 712,312,768.68
  5. Step 5: Solve for x
    x = 712,312,768.68/27,919.69
  6. Step 6: Final answer
    x = 25,512.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.