Home / 21,052.26-29,011.92-15,073.54

Finding the Fourth Proportional to 21,052.26, 29,011.92 and 15,073.54

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Solution

The fourth proportional to 21,052.26, 29,011.92 and 15,073.54 is: 20,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.26 : 29,011.92 = 15,073.54 : x
  2. Step 2: Convert to fraction form
    21,052.26/29,011.92 = 15,073.54/x
  3. Step 3: Cross multiply
    21,052.26x = 29,011.92 × 15,073.54
  4. Step 4: Simplify right side
    21,052.26x = 437,312,336.60
  5. Step 5: Solve for x
    x = 437,312,336.60/21,052.26
  6. Step 6: Final answer
    x = 20,772.70

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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.