Home / 18,677.62-28,019.13-5,528.26

Finding the Fourth Proportional to 18,677.62, 28,019.13 and 5,528.26

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Solution

The fourth proportional to 18,677.62, 28,019.13 and 5,528.26 is: 8,293.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677.62 : 28,019.13 = 5,528.26 : x
  2. Step 2: Convert to fraction form
    18,677.62/28,019.13 = 5,528.26/x
  3. Step 3: Cross multiply
    18,677.62x = 28,019.13 × 5,528.26
  4. Step 4: Simplify right side
    18,677.62x = 154,897,035.61
  5. Step 5: Solve for x
    x = 154,897,035.61/18,677.62
  6. Step 6: Final answer
    x = 8,293.19

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1.5x scale

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.