Home / 27,223.36-40,864.20-21,420.52

Finding the Fourth Proportional to 27,223.36, 40,864.20 and 21,420.52

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Solution

The fourth proportional to 27,223.36, 40,864.20 and 21,420.52 is: 32,153.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,223.36 : 40,864.20 = 21,420.52 : x
  2. Step 2: Convert to fraction form
    27,223.36/40,864.20 = 21,420.52/x
  3. Step 3: Cross multiply
    27,223.36x = 40,864.20 × 21,420.52
  4. Step 4: Simplify right side
    27,223.36x = 875,332,413.38
  5. Step 5: Solve for x
    x = 875,332,413.38/27,223.36
  6. Step 6: Final answer
    x = 32,153.72

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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.