Home / 27,500.38-37,947.99-15,561.79

Finding the Fourth Proportional to 27,500.38, 37,947.99 and 15,561.79

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Solution

The fourth proportional to 27,500.38, 37,947.99 and 15,561.79 is: 21,473.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,500.38 : 37,947.99 = 15,561.79 : x
  2. Step 2: Convert to fraction form
    27,500.38/37,947.99 = 15,561.79/x
  3. Step 3: Cross multiply
    27,500.38x = 37,947.99 × 15,561.79
  4. Step 4: Simplify right side
    27,500.38x = 590,538,614.79
  5. Step 5: Solve for x
    x = 590,538,614.79/27,500.38
  6. Step 6: Final answer
    x = 21,473.84

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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.