Home / 28,263.66-39,004.46-15,517.37

Finding the Fourth Proportional to 28,263.66, 39,004.46 and 15,517.37

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Solution

The fourth proportional to 28,263.66, 39,004.46 and 15,517.37 is: 21,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263.66 : 39,004.46 = 15,517.37 : x
  2. Step 2: Convert to fraction form
    28,263.66/39,004.46 = 15,517.37/x
  3. Step 3: Cross multiply
    28,263.66x = 39,004.46 × 15,517.37
  4. Step 4: Simplify right side
    28,263.66x = 605,246,364.86
  5. Step 5: Solve for x
    x = 605,246,364.86/28,263.66
  6. Step 6: Final answer
    x = 21,414.30

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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.