Home / 29,138.67-43,614-15,079.37

Finding the Fourth Proportional to 29,138.67, 43,614 and 15,079.37

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Solution

The fourth proportional to 29,138.67, 43,614 and 15,079.37 is: 22,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138.67 : 43,614 = 15,079.37 : x
  2. Step 2: Convert to fraction form
    29,138.67/43,614 = 15,079.37/x
  3. Step 3: Cross multiply
    29,138.67x = 43,614 × 15,079.37
  4. Step 4: Simplify right side
    29,138.67x = 657,671,425.11
  5. Step 5: Solve for x
    x = 657,671,425.11/29,138.67
  6. Step 6: Final answer
    x = 22,570.40

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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.