Home / 27,690.86-38,211.89-16,357.82

Finding the Fourth Proportional to 27,690.86, 38,211.89 and 16,357.82

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Solution

The fourth proportional to 27,690.86, 38,211.89 and 16,357.82 is: 22,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,690.86 : 38,211.89 = 16,357.82 : x
  2. Step 2: Convert to fraction form
    27,690.86/38,211.89 = 16,357.82/x
  3. Step 3: Cross multiply
    27,690.86x = 38,211.89 × 16,357.82
  4. Step 4: Simplify right side
    27,690.86x = 625,062,945.63
  5. Step 5: Solve for x
    x = 625,062,945.63/27,690.86
  6. Step 6: Final answer
    x = 22,572.90

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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.