Home / 27,808.16-38,375.24-15,061.34

Finding the Fourth Proportional to 27,808.16, 38,375.24 and 15,061.34

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Solution

The fourth proportional to 27,808.16, 38,375.24 and 15,061.34 is: 20,784.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,808.16 : 38,375.24 = 15,061.34 : x
  2. Step 2: Convert to fraction form
    27,808.16/38,375.24 = 15,061.34/x
  3. Step 3: Cross multiply
    27,808.16x = 38,375.24 × 15,061.34
  4. Step 4: Simplify right side
    27,808.16x = 577,982,537.22
  5. Step 5: Solve for x
    x = 577,982,537.22/27,808.16
  6. Step 6: Final answer
    x = 20,784.64

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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.