Home / 28,081.22-38,755.42-16,145.06

Finding the Fourth Proportional to 28,081.22, 38,755.42 and 16,145.06

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Solution

The fourth proportional to 28,081.22, 38,755.42 and 16,145.06 is: 22,282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081.22 : 38,755.42 = 16,145.06 : x
  2. Step 2: Convert to fraction form
    28,081.22/38,755.42 = 16,145.06/x
  3. Step 3: Cross multiply
    28,081.22x = 38,755.42 × 16,145.06
  4. Step 4: Simplify right side
    28,081.22x = 625,708,581.23
  5. Step 5: Solve for x
    x = 625,708,581.23/28,081.22
  6. Step 6: Final answer
    x = 22,282.10

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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.