Home / 35,827.20-53,764.25-13,640.81

Finding the Fourth Proportional to 35,827.20, 53,764.25 and 13,640.81

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Solution

The fourth proportional to 35,827.20, 53,764.25 and 13,640.81 is: 20,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,827.20 : 53,764.25 = 13,640.81 : x
  2. Step 2: Convert to fraction form
    35,827.20/53,764.25 = 13,640.81/x
  3. Step 3: Cross multiply
    35,827.20x = 53,764.25 × 13,640.81
  4. Step 4: Simplify right side
    35,827.20x = 733,387,582.02
  5. Step 5: Solve for x
    x = 733,387,582.02/35,827.20
  6. Step 6: Final answer
    x = 20,470.13

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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.