Home / 27,565.60-41,223.78-21,239.70

Finding the Fourth Proportional to 27,565.60, 41,223.78 and 21,239.70

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Solution

The fourth proportional to 27,565.60, 41,223.78 and 21,239.70 is: 31,763.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,565.60 : 41,223.78 = 21,239.70 : x
  2. Step 2: Convert to fraction form
    27,565.60/41,223.78 = 21,239.70/x
  3. Step 3: Cross multiply
    27,565.60x = 41,223.78 × 21,239.70
  4. Step 4: Simplify right side
    27,565.60x = 875,580,720.07
  5. Step 5: Solve for x
    x = 875,580,720.07/27,565.60
  6. Step 6: Final answer
    x = 31,763.53

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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.