Home / 28,347.24-42,517.98-9,372.36

Finding the Fourth Proportional to 28,347.24, 42,517.98 and 9,372.36

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Solution

The fourth proportional to 28,347.24, 42,517.98 and 9,372.36 is: 14,057.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,347.24 : 42,517.98 = 9,372.36 : x
  2. Step 2: Convert to fraction form
    28,347.24/42,517.98 = 9,372.36/x
  3. Step 3: Cross multiply
    28,347.24x = 42,517.98 × 9,372.36
  4. Step 4: Simplify right side
    28,347.24x = 398,493,815.03
  5. Step 5: Solve for x
    x = 398,493,815.03/28,347.24
  6. Step 6: Final answer
    x = 14,057.59

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1.5x scale

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.