Home / 21,983.64-32,976.98-8,836.02

Finding the Fourth Proportional to 21,983.64, 32,976.98 and 8,836.02

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Solution

The fourth proportional to 21,983.64, 32,976.98 and 8,836.02 is: 13,254.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,983.64 : 32,976.98 = 8,836.02 : x
  2. Step 2: Convert to fraction form
    21,983.64/32,976.98 = 8,836.02/x
  3. Step 3: Cross multiply
    21,983.64x = 32,976.98 × 8,836.02
  4. Step 4: Simplify right side
    21,983.64x = 291,385,210.64
  5. Step 5: Solve for x
    x = 291,385,210.64/21,983.64
  6. Step 6: Final answer
    x = 13,254.64

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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.