Home / 29,266.98-40,388.56-15,838.24

Finding the Fourth Proportional to 29,266.98, 40,388.56 and 15,838.24

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Solution

The fourth proportional to 29,266.98, 40,388.56 and 15,838.24 is: 21,856.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,266.98 : 40,388.56 = 15,838.24 : x
  2. Step 2: Convert to fraction form
    29,266.98/40,388.56 = 15,838.24/x
  3. Step 3: Cross multiply
    29,266.98x = 40,388.56 × 15,838.24
  4. Step 4: Simplify right side
    29,266.98x = 639,683,565.97
  5. Step 5: Solve for x
    x = 639,683,565.97/29,266.98
  6. Step 6: Final answer
    x = 21,856.83

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1.5x scale

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.