Home / 18,835.39-28,254.52-5,687.72

Finding the Fourth Proportional to 18,835.39, 28,254.52 and 5,687.72

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Solution

The fourth proportional to 18,835.39, 28,254.52 and 5,687.72 is: 8,532.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.39 : 28,254.52 = 5,687.72 : x
  2. Step 2: Convert to fraction form
    18,835.39/28,254.52 = 5,687.72/x
  3. Step 3: Cross multiply
    18,835.39x = 28,254.52 × 5,687.72
  4. Step 4: Simplify right side
    18,835.39x = 160,703,770.29
  5. Step 5: Solve for x
    x = 160,703,770.29/18,835.39
  6. Step 6: Final answer
    x = 8,532.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.