Home / 28,367.37-42,557.36-8,647.43

Finding the Fourth Proportional to 28,367.37, 42,557.36 and 8,647.43

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Solution

The fourth proportional to 28,367.37, 42,557.36 and 8,647.43 is: 12,973.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,367.37 : 42,557.36 = 8,647.43 : x
  2. Step 2: Convert to fraction form
    28,367.37/42,557.36 = 8,647.43/x
  3. Step 3: Cross multiply
    28,367.37x = 42,557.36 × 8,647.43
  4. Step 4: Simplify right side
    28,367.37x = 368,011,535.56
  5. Step 5: Solve for x
    x = 368,011,535.56/28,367.37
  6. Step 6: Final answer
    x = 12,973.06

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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.