Home / 23,129.43-31,919.04-13,576.16

Finding the Fourth Proportional to 23,129.43, 31,919.04 and 13,576.16

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Solution

The fourth proportional to 23,129.43, 31,919.04 and 13,576.16 is: 18,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,129.43 : 31,919.04 = 13,576.16 : x
  2. Step 2: Convert to fraction form
    23,129.43/31,919.04 = 13,576.16/x
  3. Step 3: Cross multiply
    23,129.43x = 31,919.04 × 13,576.16
  4. Step 4: Simplify right side
    23,129.43x = 433,337,834.49
  5. Step 5: Solve for x
    x = 433,337,834.49/23,129.43
  6. Step 6: Final answer
    x = 18,735.34

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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.