Home / 21,578.11-32,360.79-11,041.63

Finding the Fourth Proportional to 21,578.11, 32,360.79 and 11,041.63

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Solution

The fourth proportional to 21,578.11, 32,360.79 and 11,041.63 is: 16,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,578.11 : 32,360.79 = 11,041.63 : x
  2. Step 2: Convert to fraction form
    21,578.11/32,360.79 = 11,041.63/x
  3. Step 3: Cross multiply
    21,578.11x = 32,360.79 × 11,041.63
  4. Step 4: Simplify right side
    21,578.11x = 357,315,869.69
  5. Step 5: Solve for x
    x = 357,315,869.69/21,578.11
  6. Step 6: Final answer
    x = 16,559.18

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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.