Home / 27,569.30-38,031.61-18,014.78

Finding the Fourth Proportional to 27,569.30, 38,031.61 and 18,014.78

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Solution

The fourth proportional to 27,569.30, 38,031.61 and 18,014.78 is: 24,851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,569.30 : 38,031.61 = 18,014.78 : x
  2. Step 2: Convert to fraction form
    27,569.30/38,031.61 = 18,014.78/x
  3. Step 3: Cross multiply
    27,569.30x = 38,031.61 × 18,014.78
  4. Step 4: Simplify right side
    27,569.30x = 685,131,087.20
  5. Step 5: Solve for x
    x = 685,131,087.20/27,569.30
  6. Step 6: Final answer
    x = 24,851.23

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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.