Home / 21,977.38-32,967.59-8,829.74

Finding the Fourth Proportional to 21,977.38, 32,967.59 and 8,829.74

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Solution

The fourth proportional to 21,977.38, 32,967.59 and 8,829.74 is: 13,245.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,977.38 : 32,967.59 = 8,829.74 : x
  2. Step 2: Convert to fraction form
    21,977.38/32,967.59 = 8,829.74/x
  3. Step 3: Cross multiply
    21,977.38x = 32,967.59 × 8,829.74
  4. Step 4: Simplify right side
    21,977.38x = 291,095,039.14
  5. Step 5: Solve for x
    x = 291,095,039.14/21,977.38
  6. Step 6: Final answer
    x = 13,245.21

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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.