Home / 27,620.12-38,119.52-16,292.80

Finding the Fourth Proportional to 27,620.12, 38,119.52 and 16,292.80

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Solution

The fourth proportional to 27,620.12, 38,119.52 and 16,292.80 is: 22,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,620.12 : 38,119.52 = 16,292.80 : x
  2. Step 2: Convert to fraction form
    27,620.12/38,119.52 = 16,292.80/x
  3. Step 3: Cross multiply
    27,620.12x = 38,119.52 × 16,292.80
  4. Step 4: Simplify right side
    27,620.12x = 621,073,715.46
  5. Step 5: Solve for x
    x = 621,073,715.46/27,620.12
  6. Step 6: Final answer
    x = 22,486.28

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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.