Home / 21,369.80-32,054.35-8,225.02

Finding the Fourth Proportional to 21,369.80, 32,054.35 and 8,225.02

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Solution

The fourth proportional to 21,369.80, 32,054.35 and 8,225.02 is: 12,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,369.80 : 32,054.35 = 8,225.02 : x
  2. Step 2: Convert to fraction form
    21,369.80/32,054.35 = 8,225.02/x
  3. Step 3: Cross multiply
    21,369.80x = 32,054.35 × 8,225.02
  4. Step 4: Simplify right side
    21,369.80x = 263,647,669.84
  5. Step 5: Solve for x
    x = 263,647,669.84/21,369.80
  6. Step 6: Final answer
    x = 12,337.40

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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.