Home / 29,266.76-40,388.12-15,838.01

Finding the Fourth Proportional to 29,266.76, 40,388.12 and 15,838.01

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Solution

The fourth proportional to 29,266.76, 40,388.12 and 15,838.01 is: 21,856.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,266.76 : 40,388.12 = 15,838.01 : x
  2. Step 2: Convert to fraction form
    29,266.76/40,388.12 = 15,838.01/x
  3. Step 3: Cross multiply
    29,266.76x = 40,388.12 × 15,838.01
  4. Step 4: Simplify right side
    29,266.76x = 639,667,589.01
  5. Step 5: Solve for x
    x = 639,667,589.01/29,266.76
  6. Step 6: Final answer
    x = 21,856.46

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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.