Home / 21,877.34-32,816.10-8,733.02

Finding the Fourth Proportional to 21,877.34, 32,816.10 and 8,733.02

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Solution

The fourth proportional to 21,877.34, 32,816.10 and 8,733.02 is: 13,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,877.34 : 32,816.10 = 8,733.02 : x
  2. Step 2: Convert to fraction form
    21,877.34/32,816.10 = 8,733.02/x
  3. Step 3: Cross multiply
    21,877.34x = 32,816.10 × 8,733.02
  4. Step 4: Simplify right side
    21,877.34x = 286,583,657.62
  5. Step 5: Solve for x
    x = 286,583,657.62/21,877.34
  6. Step 6: Final answer
    x = 13,099.57

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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.