Home / 29,268.72-40,386.60-17,332.56

Finding the Fourth Proportional to 29,268.72, 40,386.60 and 17,332.56

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Solution

The fourth proportional to 29,268.72, 40,386.60 and 17,332.56 is: 23,916.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,268.72 : 40,386.60 = 17,332.56 : x
  2. Step 2: Convert to fraction form
    29,268.72/40,386.60 = 17,332.56/x
  3. Step 3: Cross multiply
    29,268.72x = 40,386.60 × 17,332.56
  4. Step 4: Simplify right side
    29,268.72x = 700,003,167.70
  5. Step 5: Solve for x
    x = 700,003,167.70/29,268.72
  6. Step 6: Final answer
    x = 23,916.43

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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.