Home / 26,724.16-40,028-15,031.36

Finding the Fourth Proportional to 26,724.16, 40,028 and 15,031.36

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Solution

The fourth proportional to 26,724.16, 40,028 and 15,031.36 is: 22,514.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,724.16 : 40,028 = 15,031.36 : x
  2. Step 2: Convert to fraction form
    26,724.16/40,028 = 15,031.36/x
  3. Step 3: Cross multiply
    26,724.16x = 40,028 × 15,031.36
  4. Step 4: Simplify right side
    26,724.16x = 601,675,278.08
  5. Step 5: Solve for x
    x = 601,675,278.08/26,724.16
  6. Step 6: Final answer
    x = 22,514.28

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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.