Home / 52,081.03-71,872.01-28,207.63

Finding the Fourth Proportional to 52,081.03, 71,872.01 and 28,207.63

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Solution

The fourth proportional to 52,081.03, 71,872.01 and 28,207.63 is: 38,926.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,081.03 : 71,872.01 = 28,207.63 : x
  2. Step 2: Convert to fraction form
    52,081.03/71,872.01 = 28,207.63/x
  3. Step 3: Cross multiply
    52,081.03x = 71,872.01 × 28,207.63
  4. Step 4: Simplify right side
    52,081.03x = 2,027,338,924.40
  5. Step 5: Solve for x
    x = 2,027,338,924.40/52,081.03
  6. Step 6: Final answer
    x = 38,926.63

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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.