Home / 29,867.36-41,173.32-20,886.92

Finding the Fourth Proportional to 29,867.36, 41,173.32 and 20,886.92

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Solution

The fourth proportional to 29,867.36, 41,173.32 and 20,886.92 is: 28,793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,867.36 : 41,173.32 = 20,886.92 : x
  2. Step 2: Convert to fraction form
    29,867.36/41,173.32 = 20,886.92/x
  3. Step 3: Cross multiply
    29,867.36x = 41,173.32 × 20,886.92
  4. Step 4: Simplify right side
    29,867.36x = 859,983,840.97
  5. Step 5: Solve for x
    x = 859,983,840.97/29,867.36
  6. Step 6: Final answer
    x = 28,793.43

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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.