Home / 29,148.40-43,722.84-18,087.28

Finding the Fourth Proportional to 29,148.40, 43,722.84 and 18,087.28

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Solution

The fourth proportional to 29,148.40, 43,722.84 and 18,087.28 is: 27,131.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,148.40 : 43,722.84 = 18,087.28 : x
  2. Step 2: Convert to fraction form
    29,148.40/43,722.84 = 18,087.28/x
  3. Step 3: Cross multiply
    29,148.40x = 43,722.84 × 18,087.28
  4. Step 4: Simplify right side
    29,148.40x = 790,827,249.48
  5. Step 5: Solve for x
    x = 790,827,249.48/29,148.40
  6. Step 6: Final answer
    x = 27,131.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.