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Finding the Fourth Proportional to 38,371, 57,559.76 and 10,669

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Solution

The fourth proportional to 38,371, 57,559.76 and 10,669 is: 16,004.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,371 : 57,559.76 = 10,669 : x
  2. Step 2: Convert to fraction form
    38,371/57,559.76 = 10,669/x
  3. Step 3: Cross multiply
    38,371x = 57,559.76 × 10,669
  4. Step 4: Simplify right side
    38,371x = 614,105,079.44
  5. Step 5: Solve for x
    x = 614,105,079.44/38,371
  6. Step 6: Final answer
    x = 16,004.41

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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.