Home / 29,281.27-40,408.17-15,852.53

Finding the Fourth Proportional to 29,281.27, 40,408.17 and 15,852.53

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Solution

The fourth proportional to 29,281.27, 40,408.17 and 15,852.53 is: 21,876.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,281.27 : 40,408.17 = 15,852.53 : x
  2. Step 2: Convert to fraction form
    29,281.27/40,408.17 = 15,852.53/x
  3. Step 3: Cross multiply
    29,281.27x = 40,408.17 × 15,852.53
  4. Step 4: Simplify right side
    29,281.27x = 640,571,445.87
  5. Step 5: Solve for x
    x = 640,571,445.87/29,281.27
  6. Step 6: Final answer
    x = 21,876.49

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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.