Home / 18,984.57-28,538.32-17,614.96

Finding the Fourth Proportional to 18,984.57, 28,538.32 and 17,614.96

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Solution

The fourth proportional to 18,984.57, 28,538.32 and 17,614.96 is: 26,479.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.57 : 28,538.32 = 17,614.96 : x
  2. Step 2: Convert to fraction form
    18,984.57/28,538.32 = 17,614.96/x
  3. Step 3: Cross multiply
    18,984.57x = 28,538.32 × 17,614.96
  4. Step 4: Simplify right side
    18,984.57x = 502,701,365.27
  5. Step 5: Solve for x
    x = 502,701,365.27/18,984.57
  6. Step 6: Final answer
    x = 26,479.47

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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.