Home / 29,292.08-40,422.86-15,863.03

Finding the Fourth Proportional to 29,292.08, 40,422.86 and 15,863.03

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Solution

The fourth proportional to 29,292.08, 40,422.86 and 15,863.03 is: 21,890.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,292.08 : 40,422.86 = 15,863.03 : x
  2. Step 2: Convert to fraction form
    29,292.08/40,422.86 = 15,863.03/x
  3. Step 3: Cross multiply
    29,292.08x = 40,422.86 × 15,863.03
  4. Step 4: Simplify right side
    29,292.08x = 641,228,838.75
  5. Step 5: Solve for x
    x = 641,228,838.75/29,292.08
  6. Step 6: Final answer
    x = 21,890.86

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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.