Home / 29,410.80-40,587.30-15,982.31

Finding the Fourth Proportional to 29,410.80, 40,587.30 and 15,982.31

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Solution

The fourth proportional to 29,410.80, 40,587.30 and 15,982.31 is: 22,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,410.80 : 40,587.30 = 15,982.31 : x
  2. Step 2: Convert to fraction form
    29,410.80/40,587.30 = 15,982.31/x
  3. Step 3: Cross multiply
    29,410.80x = 40,587.30 × 15,982.31
  4. Step 4: Simplify right side
    29,410.80x = 648,678,607.73
  5. Step 5: Solve for x
    x = 648,678,607.73/29,410.80
  6. Step 6: Final answer
    x = 22,055.80

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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.