Home / 29,848.28-41,190.72-16,420.56

Finding the Fourth Proportional to 29,848.28, 41,190.72 and 16,420.56

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Solution

The fourth proportional to 29,848.28, 41,190.72 and 16,420.56 is: 22,660.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,848.28 : 41,190.72 = 16,420.56 : x
  2. Step 2: Convert to fraction form
    29,848.28/41,190.72 = 16,420.56/x
  3. Step 3: Cross multiply
    29,848.28x = 41,190.72 × 16,420.56
  4. Step 4: Simplify right side
    29,848.28x = 676,374,689.20
  5. Step 5: Solve for x
    x = 676,374,689.20/29,848.28
  6. Step 6: Final answer
    x = 22,660.43

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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.