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Finding the Fourth Proportional to 45,256, 62,453.28 and 27,592

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Solution

The fourth proportional to 45,256, 62,453.28 and 27,592 is: 38,076.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,256 : 62,453.28 = 27,592 : x
  2. Step 2: Convert to fraction form
    45,256/62,453.28 = 27,592/x
  3. Step 3: Cross multiply
    45,256x = 62,453.28 × 27,592
  4. Step 4: Simplify right side
    45,256x = 1,723,210,901.76
  5. Step 5: Solve for x
    x = 1,723,210,901.76/45,256
  6. Step 6: Final answer
    x = 38,076.96

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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.