Home / 29,676.80-40,952.40-16,247.36

Finding the Fourth Proportional to 29,676.80, 40,952.40 and 16,247.36

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Solution

The fourth proportional to 29,676.80, 40,952.40 and 16,247.36 is: 22,420.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,676.80 : 40,952.40 = 16,247.36 : x
  2. Step 2: Convert to fraction form
    29,676.80/40,952.40 = 16,247.36/x
  3. Step 3: Cross multiply
    29,676.80x = 40,952.40 × 16,247.36
  4. Step 4: Simplify right side
    29,676.80x = 665,368,385.66
  5. Step 5: Solve for x
    x = 665,368,385.66/29,676.80
  6. Step 6: Final answer
    x = 22,420.49

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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.