Home / 28,277.46-42,427.26-8,558.01

Finding the Fourth Proportional to 28,277.46, 42,427.26 and 8,558.01

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Solution

The fourth proportional to 28,277.46, 42,427.26 and 8,558.01 is: 12,840.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,277.46 : 42,427.26 = 8,558.01 : x
  2. Step 2: Convert to fraction form
    28,277.46/42,427.26 = 8,558.01/x
  3. Step 3: Cross multiply
    28,277.46x = 42,427.26 × 8,558.01
  4. Step 4: Simplify right side
    28,277.46x = 363,092,915.35
  5. Step 5: Solve for x
    x = 363,092,915.35/28,277.46
  6. Step 6: Final answer
    x = 12,840.37

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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.