Home / 27,718.08-38,254.40-18,306.24

Finding the Fourth Proportional to 27,718.08, 38,254.40 and 18,306.24

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Solution

The fourth proportional to 27,718.08, 38,254.40 and 18,306.24 is: 25,264.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,718.08 : 38,254.40 = 18,306.24 : x
  2. Step 2: Convert to fraction form
    27,718.08/38,254.40 = 18,306.24/x
  3. Step 3: Cross multiply
    27,718.08x = 38,254.40 × 18,306.24
  4. Step 4: Simplify right side
    27,718.08x = 700,294,227.46
  5. Step 5: Solve for x
    x = 700,294,227.46/27,718.08
  6. Step 6: Final answer
    x = 25,264.89

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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.