Home / 21,556.65-32,268.15-11,671.41

Finding the Fourth Proportional to 21,556.65, 32,268.15 and 11,671.41

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Solution

The fourth proportional to 21,556.65, 32,268.15 and 11,671.41 is: 17,470.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556.65 : 32,268.15 = 11,671.41 : x
  2. Step 2: Convert to fraction form
    21,556.65/32,268.15 = 11,671.41/x
  3. Step 3: Cross multiply
    21,556.65x = 32,268.15 × 11,671.41
  4. Step 4: Simplify right side
    21,556.65x = 376,614,808.59
  5. Step 5: Solve for x
    x = 376,614,808.59/21,556.65
  6. Step 6: Final answer
    x = 17,470.93

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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.