Home / 23,365.95-35,205.05-21,147.78

Finding the Fourth Proportional to 23,365.95, 35,205.05 and 21,147.78

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Solution

The fourth proportional to 23,365.95, 35,205.05 and 21,147.78 is: 31,862.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,365.95 : 35,205.05 = 21,147.78 : x
  2. Step 2: Convert to fraction form
    23,365.95/35,205.05 = 21,147.78/x
  3. Step 3: Cross multiply
    23,365.95x = 35,205.05 × 21,147.78
  4. Step 4: Simplify right side
    23,365.95x = 744,508,546.55
  5. Step 5: Solve for x
    x = 744,508,546.55/23,365.95
  6. Step 6: Final answer
    x = 31,862.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.