Home / 27,873.28-38,463.96-15,297.22

Finding the Fourth Proportional to 27,873.28, 38,463.96 and 15,297.22

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Solution

The fourth proportional to 27,873.28, 38,463.96 and 15,297.22 is: 21,109.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,873.28 : 38,463.96 = 15,297.22 : x
  2. Step 2: Convert to fraction form
    27,873.28/38,463.96 = 15,297.22/x
  3. Step 3: Cross multiply
    27,873.28x = 38,463.96 × 15,297.22
  4. Step 4: Simplify right side
    27,873.28x = 588,391,658.19
  5. Step 5: Solve for x
    x = 588,391,658.19/27,873.28
  6. Step 6: Final answer
    x = 21,109.52

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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.