Home / 38,976.30-58,429.58-15,278.31

Finding the Fourth Proportional to 38,976.30, 58,429.58 and 15,278.31

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Solution

The fourth proportional to 38,976.30, 58,429.58 and 15,278.31 is: 22,903.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,976.30 : 58,429.58 = 15,278.31 : x
  2. Step 2: Convert to fraction form
    38,976.30/58,429.58 = 15,278.31/x
  3. Step 3: Cross multiply
    38,976.30x = 58,429.58 × 15,278.31
  4. Step 4: Simplify right side
    38,976.30x = 892,705,160.02
  5. Step 5: Solve for x
    x = 892,705,160.02/38,976.30
  6. Step 6: Final answer
    x = 22,903.79

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1.5x scale

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.