Home / 38,979.09-58,433.81-15,281.12

Finding the Fourth Proportional to 38,979.09, 58,433.81 and 15,281.12

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Solution

The fourth proportional to 38,979.09, 58,433.81 and 15,281.12 is: 22,908.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,979.09 : 58,433.81 = 15,281.12 : x
  2. Step 2: Convert to fraction form
    38,979.09/58,433.81 = 15,281.12/x
  3. Step 3: Cross multiply
    38,979.09x = 58,433.81 × 15,281.12
  4. Step 4: Simplify right side
    38,979.09x = 892,934,132.35
  5. Step 5: Solve for x
    x = 892,934,132.35/38,979.09
  6. Step 6: Final answer
    x = 22,908.03

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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.