Home / 38,986.40-58,479.60-26,544.80

Finding the Fourth Proportional to 38,986.40, 58,479.60 and 26,544.80

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Solution

The fourth proportional to 38,986.40, 58,479.60 and 26,544.80 is: 39,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,986.40 : 58,479.60 = 26,544.80 : x
  2. Step 2: Convert to fraction form
    38,986.40/58,479.60 = 26,544.80/x
  3. Step 3: Cross multiply
    38,986.40x = 58,479.60 × 26,544.80
  4. Step 4: Simplify right side
    38,986.40x = 1,552,329,286.08
  5. Step 5: Solve for x
    x = 1,552,329,286.08/38,986.40
  6. Step 6: Final answer
    x = 39,817.20

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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.