Home / 27,923.80-38,535.14-15,176.99

Finding the Fourth Proportional to 27,923.80, 38,535.14 and 15,176.99

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Solution

The fourth proportional to 27,923.80, 38,535.14 and 15,176.99 is: 20,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,923.80 : 38,535.14 = 15,176.99 : x
  2. Step 2: Convert to fraction form
    27,923.80/38,535.14 = 15,176.99/x
  3. Step 3: Cross multiply
    27,923.80x = 38,535.14 × 15,176.99
  4. Step 4: Simplify right side
    27,923.80x = 584,847,279.70
  5. Step 5: Solve for x
    x = 584,847,279.70/27,923.80
  6. Step 6: Final answer
    x = 20,944.40

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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.