Home / 26,729.40-40,061.28-15,018

Finding the Fourth Proportional to 26,729.40, 40,061.28 and 15,018

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Solution

The fourth proportional to 26,729.40, 40,061.28 and 15,018 is: 22,508.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,729.40 : 40,061.28 = 15,018 : x
  2. Step 2: Convert to fraction form
    26,729.40/40,061.28 = 15,018/x
  3. Step 3: Cross multiply
    26,729.40x = 40,061.28 × 15,018
  4. Step 4: Simplify right side
    26,729.40x = 601,640,303.04
  5. Step 5: Solve for x
    x = 601,640,303.04/26,729.40
  6. Step 6: Final answer
    x = 22,508.56

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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.