Home / 18,748.34-28,200.27-16,959.86

Finding the Fourth Proportional to 18,748.34, 28,200.27 and 16,959.86

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Solution

The fourth proportional to 18,748.34, 28,200.27 and 16,959.86 is: 25,510.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.34 : 28,200.27 = 16,959.86 : x
  2. Step 2: Convert to fraction form
    18,748.34/28,200.27 = 16,959.86/x
  3. Step 3: Cross multiply
    18,748.34x = 28,200.27 × 16,959.86
  4. Step 4: Simplify right side
    18,748.34x = 478,272,631.16
  5. Step 5: Solve for x
    x = 478,272,631.16/18,748.34
  6. Step 6: Final answer
    x = 25,510.13

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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.