Home / 29,818.38-41,105.99-20,838.00

Finding the Fourth Proportional to 29,818.38, 41,105.99 and 20,838.00

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Solution

The fourth proportional to 29,818.38, 41,105.99 and 20,838.00 is: 28,726.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,818.38 : 41,105.99 = 20,838.00 : x
  2. Step 2: Convert to fraction form
    29,818.38/41,105.99 = 20,838.00/x
  3. Step 3: Cross multiply
    29,818.38x = 41,105.99 × 20,838.00
  4. Step 4: Simplify right side
    29,818.38x = 856,566,466.19
  5. Step 5: Solve for x
    x = 856,566,466.19/29,818.38
  6. Step 6: Final answer
    x = 28,726.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.