Home / 29,520.80-40,739.36-16,092.72

Finding the Fourth Proportional to 29,520.80, 40,739.36 and 16,092.72

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Solution

The fourth proportional to 29,520.80, 40,739.36 and 16,092.72 is: 22,208.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,520.80 : 40,739.36 = 16,092.72 : x
  2. Step 2: Convert to fraction form
    29,520.80/40,739.36 = 16,092.72/x
  3. Step 3: Cross multiply
    29,520.80x = 40,739.36 × 16,092.72
  4. Step 4: Simplify right side
    29,520.80x = 655,607,113.46
  5. Step 5: Solve for x
    x = 655,607,113.46/29,520.80
  6. Step 6: Final answer
    x = 22,208.31

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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.