Home / 28,614.74-42,914.31-11,972.08

Finding the Fourth Proportional to 28,614.74, 42,914.31 and 11,972.08

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Solution

The fourth proportional to 28,614.74, 42,914.31 and 11,972.08 is: 17,954.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,614.74 : 42,914.31 = 11,972.08 : x
  2. Step 2: Convert to fraction form
    28,614.74/42,914.31 = 11,972.08/x
  3. Step 3: Cross multiply
    28,614.74x = 42,914.31 × 11,972.08
  4. Step 4: Simplify right side
    28,614.74x = 513,773,552.46
  5. Step 5: Solve for x
    x = 513,773,552.46/28,614.74
  6. Step 6: Final answer
    x = 17,954.86

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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.