Home / 26,610.90-36,721.78-15,272.52

Finding the Fourth Proportional to 26,610.90, 36,721.78 and 15,272.52

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Solution

The fourth proportional to 26,610.90, 36,721.78 and 15,272.52 is: 21,075.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,610.90 : 36,721.78 = 15,272.52 : x
  2. Step 2: Convert to fraction form
    26,610.90/36,721.78 = 15,272.52/x
  3. Step 3: Cross multiply
    26,610.90x = 36,721.78 × 15,272.52
  4. Step 4: Simplify right side
    26,610.90x = 560,834,119.49
  5. Step 5: Solve for x
    x = 560,834,119.49/26,610.90
  6. Step 6: Final answer
    x = 21,075.35

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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.