Home / 21,647.03-32,474.72-8,319.02

Finding the Fourth Proportional to 21,647.03, 32,474.72 and 8,319.02

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Solution

The fourth proportional to 21,647.03, 32,474.72 and 8,319.02 is: 12,480.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,647.03 : 32,474.72 = 8,319.02 : x
  2. Step 2: Convert to fraction form
    21,647.03/32,474.72 = 8,319.02/x
  3. Step 3: Cross multiply
    21,647.03x = 32,474.72 × 8,319.02
  4. Step 4: Simplify right side
    21,647.03x = 270,157,703.60
  5. Step 5: Solve for x
    x = 270,157,703.60/21,647.03
  6. Step 6: Final answer
    x = 12,480.13

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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.