Home / 28,865.30-43,334.40-15,548.90

Finding the Fourth Proportional to 28,865.30, 43,334.40 and 15,548.90

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Solution

The fourth proportional to 28,865.30, 43,334.40 and 15,548.90 is: 23,342.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865.30 : 43,334.40 = 15,548.90 : x
  2. Step 2: Convert to fraction form
    28,865.30/43,334.40 = 15,548.90/x
  3. Step 3: Cross multiply
    28,865.30x = 43,334.40 × 15,548.90
  4. Step 4: Simplify right side
    28,865.30x = 673,802,252.16
  5. Step 5: Solve for x
    x = 673,802,252.16/28,865.30
  6. Step 6: Final answer
    x = 23,342.98

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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.