Home / 29,257.52-43,800.12-18,128.42

Finding the Fourth Proportional to 29,257.52, 43,800.12 and 18,128.42

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Solution

The fourth proportional to 29,257.52, 43,800.12 and 18,128.42 is: 27,139.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,257.52 : 43,800.12 = 18,128.42 : x
  2. Step 2: Convert to fraction form
    29,257.52/43,800.12 = 18,128.42/x
  3. Step 3: Cross multiply
    29,257.52x = 43,800.12 × 18,128.42
  4. Step 4: Simplify right side
    29,257.52x = 794,026,971.41
  5. Step 5: Solve for x
    x = 794,026,971.41/29,257.52
  6. Step 6: Final answer
    x = 27,139.24

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1.5x scale

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.