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Finding the Fourth Proportional to 41,328.40, 61,957.76 and 17,937.22

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Solution

The fourth proportional to 41,328.40, 61,957.76 and 17,937.22 is: 26,890.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,328.40 : 61,957.76 = 17,937.22 : x
  2. Step 2: Convert to fraction form
    41,328.40/61,957.76 = 17,937.22/x
  3. Step 3: Cross multiply
    41,328.40x = 61,957.76 × 17,937.22
  4. Step 4: Simplify right side
    41,328.40x = 1,111,349,971.83
  5. Step 5: Solve for x
    x = 1,111,349,971.83/41,328.40
  6. Step 6: Final answer
    x = 26,890.71

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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.