Home / 28,277.46-42,427.26-8,558.04

Finding the Fourth Proportional to 28,277.46, 42,427.26 and 8,558.04

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Solution

The fourth proportional to 28,277.46, 42,427.26 and 8,558.04 is: 12,840.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,277.46 : 42,427.26 = 8,558.04 : x
  2. Step 2: Convert to fraction form
    28,277.46/42,427.26 = 8,558.04/x
  3. Step 3: Cross multiply
    28,277.46x = 42,427.26 × 8,558.04
  4. Step 4: Simplify right side
    28,277.46x = 363,094,188.17
  5. Step 5: Solve for x
    x = 363,094,188.17/28,277.46
  6. Step 6: Final answer
    x = 12,840.41

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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.