Home / 27,921.24-38,535.48-17,854.56

Finding the Fourth Proportional to 27,921.24, 38,535.48 and 17,854.56

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Solution

The fourth proportional to 27,921.24, 38,535.48 and 17,854.56 is: 24,641.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921.24 : 38,535.48 = 17,854.56 : x
  2. Step 2: Convert to fraction form
    27,921.24/38,535.48 = 17,854.56/x
  3. Step 3: Cross multiply
    27,921.24x = 38,535.48 × 17,854.56
  4. Step 4: Simplify right side
    27,921.24x = 688,034,039.79
  5. Step 5: Solve for x
    x = 688,034,039.79/27,921.24
  6. Step 6: Final answer
    x = 24,641.96

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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.