Home / 21,877.24-32,812.20-7,084.02

Finding the Fourth Proportional to 21,877.24, 32,812.20 and 7,084.02

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Solution

The fourth proportional to 21,877.24, 32,812.20 and 7,084.02 is: 10,624.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,877.24 : 32,812.20 = 7,084.02 : x
  2. Step 2: Convert to fraction form
    21,877.24/32,812.20 = 7,084.02/x
  3. Step 3: Cross multiply
    21,877.24x = 32,812.20 × 7,084.02
  4. Step 4: Simplify right side
    21,877.24x = 232,442,281.04
  5. Step 5: Solve for x
    x = 232,442,281.04/21,877.24
  6. Step 6: Final answer
    x = 10,624.84

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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.