Home / 27,924.66-38,535.84-15,177.72

Finding the Fourth Proportional to 27,924.66, 38,535.84 and 15,177.72

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Solution

The fourth proportional to 27,924.66, 38,535.84 and 15,177.72 is: 20,945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,924.66 : 38,535.84 = 15,177.72 : x
  2. Step 2: Convert to fraction form
    27,924.66/38,535.84 = 15,177.72/x
  3. Step 3: Cross multiply
    27,924.66x = 38,535.84 × 15,177.72
  4. Step 4: Simplify right side
    27,924.66x = 584,886,189.48
  5. Step 5: Solve for x
    x = 584,886,189.48/27,924.66
  6. Step 6: Final answer
    x = 20,945.15

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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.