Home / 27,899.48-38,507.92-15,969.71

Finding the Fourth Proportional to 27,899.48, 38,507.92 and 15,969.71

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Solution

The fourth proportional to 27,899.48, 38,507.92 and 15,969.71 is: 22,041.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,899.48 : 38,507.92 = 15,969.71 : x
  2. Step 2: Convert to fraction form
    27,899.48/38,507.92 = 15,969.71/x
  3. Step 3: Cross multiply
    27,899.48x = 38,507.92 × 15,969.71
  4. Step 4: Simplify right side
    27,899.48x = 614,960,082.64
  5. Step 5: Solve for x
    x = 614,960,082.64/27,899.48
  6. Step 6: Final answer
    x = 22,041.99

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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.