Home / 28,986.60-43,415.10-17,322.60

Finding the Fourth Proportional to 28,986.60, 43,415.10 and 17,322.60

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Solution

The fourth proportional to 28,986.60, 43,415.10 and 17,322.60 is: 25,945.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986.60 : 43,415.10 = 17,322.60 : x
  2. Step 2: Convert to fraction form
    28,986.60/43,415.10 = 17,322.60/x
  3. Step 3: Cross multiply
    28,986.60x = 43,415.10 × 17,322.60
  4. Step 4: Simplify right side
    28,986.60x = 752,062,411.26
  5. Step 5: Solve for x
    x = 752,062,411.26/28,986.60
  6. Step 6: Final answer
    x = 25,945.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.