Home / 21,389.94-32,084.64-7,360.20

Finding the Fourth Proportional to 21,389.94, 32,084.64 and 7,360.20

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Solution

The fourth proportional to 21,389.94, 32,084.64 and 7,360.20 is: 11,040.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,389.94 : 32,084.64 = 7,360.20 : x
  2. Step 2: Convert to fraction form
    21,389.94/32,084.64 = 7,360.20/x
  3. Step 3: Cross multiply
    21,389.94x = 32,084.64 × 7,360.20
  4. Step 4: Simplify right side
    21,389.94x = 236,149,367.33
  5. Step 5: Solve for x
    x = 236,149,367.33/21,389.94
  6. Step 6: Final answer
    x = 11,040.21

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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.