Home / 27,689.32-38,197.98-18,125.02

Finding the Fourth Proportional to 27,689.32, 38,197.98 and 18,125.02

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Solution

The fourth proportional to 27,689.32, 38,197.98 and 18,125.02 is: 25,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,689.32 : 38,197.98 = 18,125.02 : x
  2. Step 2: Convert to fraction form
    27,689.32/38,197.98 = 18,125.02/x
  3. Step 3: Cross multiply
    27,689.32x = 38,197.98 × 18,125.02
  4. Step 4: Simplify right side
    27,689.32x = 692,339,151.46
  5. Step 5: Solve for x
    x = 692,339,151.46/27,689.32
  6. Step 6: Final answer
    x = 25,003.83

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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.