Home / 26,755.02-36,921.56-15,424.54

Finding the Fourth Proportional to 26,755.02, 36,921.56 and 15,424.54

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Solution

The fourth proportional to 26,755.02, 36,921.56 and 15,424.54 is: 21,285.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,755.02 : 36,921.56 = 15,424.54 : x
  2. Step 2: Convert to fraction form
    26,755.02/36,921.56 = 15,424.54/x
  3. Step 3: Cross multiply
    26,755.02x = 36,921.56 × 15,424.54
  4. Step 4: Simplify right side
    26,755.02x = 569,497,909.66
  5. Step 5: Solve for x
    x = 569,497,909.66/26,755.02
  6. Step 6: Final answer
    x = 21,285.65

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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.