Home / 21,513.15-32,269.01-8,368.02

Finding the Fourth Proportional to 21,513.15, 32,269.01 and 8,368.02

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Solution

The fourth proportional to 21,513.15, 32,269.01 and 8,368.02 is: 12,551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,513.15 : 32,269.01 = 8,368.02 : x
  2. Step 2: Convert to fraction form
    21,513.15/32,269.01 = 8,368.02/x
  3. Step 3: Cross multiply
    21,513.15x = 32,269.01 × 8,368.02
  4. Step 4: Simplify right side
    21,513.15x = 270,027,679.22
  5. Step 5: Solve for x
    x = 270,027,679.22/21,513.15
  6. Step 6: Final answer
    x = 12,551.75

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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.