Home / 18,890.83-28,337.28-5,743.27

Finding the Fourth Proportional to 18,890.83, 28,337.28 and 5,743.27

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Solution

The fourth proportional to 18,890.83, 28,337.28 and 5,743.27 is: 8,615.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,890.83 : 28,337.28 = 5,743.27 : x
  2. Step 2: Convert to fraction form
    18,890.83/28,337.28 = 5,743.27/x
  3. Step 3: Cross multiply
    18,890.83x = 28,337.28 × 5,743.27
  4. Step 4: Simplify right side
    18,890.83x = 162,748,650.11
  5. Step 5: Solve for x
    x = 162,748,650.11/18,890.83
  6. Step 6: Final answer
    x = 8,615.22

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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.