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Finding the Fourth Proportional to 29,138.98, 43,672.50 and 15,090.93

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Solution

The fourth proportional to 29,138.98, 43,672.50 and 15,090.93 is: 22,617.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138.98 : 43,672.50 = 15,090.93 : x
  2. Step 2: Convert to fraction form
    29,138.98/43,672.50 = 15,090.93/x
  3. Step 3: Cross multiply
    29,138.98x = 43,672.50 × 15,090.93
  4. Step 4: Simplify right side
    29,138.98x = 659,058,640.43
  5. Step 5: Solve for x
    x = 659,058,640.43/29,138.98
  6. Step 6: Final answer
    x = 22,617.77

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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.