Home / 19,282.64-28,927.57-8,753.39

Finding the Fourth Proportional to 19,282.64, 28,927.57 and 8,753.39

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Solution

The fourth proportional to 19,282.64, 28,927.57 and 8,753.39 is: 13,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.64 : 28,927.57 = 8,753.39 : x
  2. Step 2: Convert to fraction form
    19,282.64/28,927.57 = 8,753.39/x
  3. Step 3: Cross multiply
    19,282.64x = 28,927.57 × 8,753.39
  4. Step 4: Simplify right side
    19,282.64x = 253,214,420.55
  5. Step 5: Solve for x
    x = 253,214,420.55/19,282.64
  6. Step 6: Final answer
    x = 13,131.73

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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.