Home / 27,650.89-38,146.10-18,695.13

Finding the Fourth Proportional to 27,650.89, 38,146.10 and 18,695.13

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Solution

The fourth proportional to 27,650.89, 38,146.10 and 18,695.13 is: 25,791.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,650.89 : 38,146.10 = 18,695.13 : x
  2. Step 2: Convert to fraction form
    27,650.89/38,146.10 = 18,695.13/x
  3. Step 3: Cross multiply
    27,650.89x = 38,146.10 × 18,695.13
  4. Step 4: Simplify right side
    27,650.89x = 713,146,298.49
  5. Step 5: Solve for x
    x = 713,146,298.49/27,650.89
  6. Step 6: Final answer
    x = 25,791.08

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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.