Home / 20,323.68-28,098-15,010.08

Finding the Fourth Proportional to 20,323.68, 28,098 and 15,010.08

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Solution

The fourth proportional to 20,323.68, 28,098 and 15,010.08 is: 20,751.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323.68 : 28,098 = 15,010.08 : x
  2. Step 2: Convert to fraction form
    20,323.68/28,098 = 15,010.08/x
  3. Step 3: Cross multiply
    20,323.68x = 28,098 × 15,010.08
  4. Step 4: Simplify right side
    20,323.68x = 421,753,227.84
  5. Step 5: Solve for x
    x = 421,753,227.84/20,323.68
  6. Step 6: Final answer
    x = 20,751.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.