Home / 18,814.08-28,221.26-15,300

Finding the Fourth Proportional to 18,814.08, 28,221.26 and 15,300

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Solution

The fourth proportional to 18,814.08, 28,221.26 and 15,300 is: 22,950.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,814.08 : 28,221.26 = 15,300 : x
  2. Step 2: Convert to fraction form
    18,814.08/28,221.26 = 15,300/x
  3. Step 3: Cross multiply
    18,814.08x = 28,221.26 × 15,300
  4. Step 4: Simplify right side
    18,814.08x = 431,785,278
  5. Step 5: Solve for x
    x = 431,785,278/18,814.08
  6. Step 6: Final answer
    x = 22,950.11

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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.