Home / 27,656.55-38,155.17-17,027.73

Finding the Fourth Proportional to 27,656.55, 38,155.17 and 17,027.73

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Solution

The fourth proportional to 27,656.55, 38,155.17 and 17,027.73 is: 23,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,656.55 : 38,155.17 = 17,027.73 : x
  2. Step 2: Convert to fraction form
    27,656.55/38,155.17 = 17,027.73/x
  3. Step 3: Cross multiply
    27,656.55x = 38,155.17 × 17,027.73
  4. Step 4: Simplify right side
    27,656.55x = 649,695,699.52
  5. Step 5: Solve for x
    x = 649,695,699.52/27,656.55
  6. Step 6: Final answer
    x = 23,491.57

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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.