Home / 29,266.75-40,388.11-15,838.00

Finding the Fourth Proportional to 29,266.75, 40,388.11 and 15,838.00

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Solution

The fourth proportional to 29,266.75, 40,388.11 and 15,838.00 is: 21,856.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,266.75 : 40,388.11 = 15,838.00 : x
  2. Step 2: Convert to fraction form
    29,266.75/40,388.11 = 15,838.00/x
  3. Step 3: Cross multiply
    29,266.75x = 40,388.11 × 15,838.00
  4. Step 4: Simplify right side
    29,266.75x = 639,666,922.54
  5. Step 5: Solve for x
    x = 639,666,922.54/29,266.75
  6. Step 6: Final answer
    x = 21,856.44

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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.