Home / 21,268.33-31,919.50-9,582.46

Finding the Fourth Proportional to 21,268.33, 31,919.50 and 9,582.46

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Solution

The fourth proportional to 21,268.33, 31,919.50 and 9,582.46 is: 14,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,268.33 : 31,919.50 = 9,582.46 : x
  2. Step 2: Convert to fraction form
    21,268.33/31,919.50 = 9,582.46/x
  3. Step 3: Cross multiply
    21,268.33x = 31,919.50 × 9,582.46
  4. Step 4: Simplify right side
    21,268.33x = 305,867,264.15
  5. Step 5: Solve for x
    x = 305,867,264.15/21,268.33
  6. Step 6: Final answer
    x = 14,381.35

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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.