Home / 29,072.80-40,087.44-18,462.88

Finding the Fourth Proportional to 29,072.80, 40,087.44 and 18,462.88

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Solution

The fourth proportional to 29,072.80, 40,087.44 and 18,462.88 is: 25,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,072.80 : 40,087.44 = 18,462.88 : x
  2. Step 2: Convert to fraction form
    29,072.80/40,087.44 = 18,462.88/x
  3. Step 3: Cross multiply
    29,072.80x = 40,087.44 × 18,462.88
  4. Step 4: Simplify right side
    29,072.80x = 740,129,594.23
  5. Step 5: Solve for x
    x = 740,129,594.23/29,072.80
  6. Step 6: Final answer
    x = 25,457.80

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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.