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Finding the Fourth Proportional to 26,174.28, 36,118.80 and 15,564.72

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Solution

The fourth proportional to 26,174.28, 36,118.80 and 15,564.72 is: 21,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,174.28 : 36,118.80 = 15,564.72 : x
  2. Step 2: Convert to fraction form
    26,174.28/36,118.80 = 15,564.72/x
  3. Step 3: Cross multiply
    26,174.28x = 36,118.80 × 15,564.72
  4. Step 4: Simplify right side
    26,174.28x = 562,179,008.74
  5. Step 5: Solve for x
    x = 562,179,008.74/26,174.28
  6. Step 6: Final answer
    x = 21,478.30

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