Home / 27,695.18-38,269.31-19,723.56

Finding the Fourth Proportional to 27,695.18, 38,269.31 and 19,723.56

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Solution

The fourth proportional to 27,695.18, 38,269.31 and 19,723.56 is: 27,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,695.18 : 38,269.31 = 19,723.56 : x
  2. Step 2: Convert to fraction form
    27,695.18/38,269.31 = 19,723.56/x
  3. Step 3: Cross multiply
    27,695.18x = 38,269.31 × 19,723.56
  4. Step 4: Simplify right side
    27,695.18x = 754,806,933.33
  5. Step 5: Solve for x
    x = 754,806,933.33/27,695.18
  6. Step 6: Final answer
    x = 27,254.10

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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.