Home / 38,965.80-58,362.30-15,580.20

Finding the Fourth Proportional to 38,965.80, 58,362.30 and 15,580.20

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Solution

The fourth proportional to 38,965.80, 58,362.30 and 15,580.20 is: 23,335.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,965.80 : 58,362.30 = 15,580.20 : x
  2. Step 2: Convert to fraction form
    38,965.80/58,362.30 = 15,580.20/x
  3. Step 3: Cross multiply
    38,965.80x = 58,362.30 × 15,580.20
  4. Step 4: Simplify right side
    38,965.80x = 909,296,306.46
  5. Step 5: Solve for x
    x = 909,296,306.46/38,965.80
  6. Step 6: Final answer
    x = 23,335.75

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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.