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Finding the Fourth Proportional to 26,548, 39,756.28 and 15,420.96

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Solution

The fourth proportional to 26,548, 39,756.28 and 15,420.96 is: 23,093.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,548 : 39,756.28 = 15,420.96 : x
  2. Step 2: Convert to fraction form
    26,548/39,756.28 = 15,420.96/x
  3. Step 3: Cross multiply
    26,548x = 39,756.28 × 15,420.96
  4. Step 4: Simplify right side
    26,548x = 613,080,003.63
  5. Step 5: Solve for x
    x = 613,080,003.63/26,548
  6. Step 6: Final answer
    x = 23,093.27

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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.