Home / 20,027.68-30,045.81-5,988.79

Finding the Fourth Proportional to 20,027.68, 30,045.81 and 5,988.79

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Solution

The fourth proportional to 20,027.68, 30,045.81 and 5,988.79 is: 8,984.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.68 : 30,045.81 = 5,988.79 : x
  2. Step 2: Convert to fraction form
    20,027.68/30,045.81 = 5,988.79/x
  3. Step 3: Cross multiply
    20,027.68x = 30,045.81 × 5,988.79
  4. Step 4: Simplify right side
    20,027.68x = 179,938,046.47
  5. Step 5: Solve for x
    x = 179,938,046.47/20,027.68
  6. Step 6: Final answer
    x = 8,984.47

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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.