Home / 21,368.80-32,052.85-8,224.02

Finding the Fourth Proportional to 21,368.80, 32,052.85 and 8,224.02

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Solution

The fourth proportional to 21,368.80, 32,052.85 and 8,224.02 is: 12,335.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,368.80 : 32,052.85 = 8,224.02 : x
  2. Step 2: Convert to fraction form
    21,368.80/32,052.85 = 8,224.02/x
  3. Step 3: Cross multiply
    21,368.80x = 32,052.85 × 8,224.02
  4. Step 4: Simplify right side
    21,368.80x = 263,603,258.90
  5. Step 5: Solve for x
    x = 263,603,258.90/21,368.80
  6. Step 6: Final answer
    x = 12,335.89

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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.