Home / 21,937.67-32,925.18-8,619.98

Finding the Fourth Proportional to 21,937.67, 32,925.18 and 8,619.98

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Solution

The fourth proportional to 21,937.67, 32,925.18 and 8,619.98 is: 12,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,937.67 : 32,925.18 = 8,619.98 : x
  2. Step 2: Convert to fraction form
    21,937.67/32,925.18 = 8,619.98/x
  3. Step 3: Cross multiply
    21,937.67x = 32,925.18 × 8,619.98
  4. Step 4: Simplify right side
    21,937.67x = 283,814,297.85
  5. Step 5: Solve for x
    x = 283,814,297.85/21,937.67
  6. Step 6: Final answer
    x = 12,937.30

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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.