Home / 28,713.30-43,053.36-11,162.60

Finding the Fourth Proportional to 28,713.30, 43,053.36 and 11,162.60

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Solution

The fourth proportional to 28,713.30, 43,053.36 and 11,162.60 is: 16,737.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,713.30 : 43,053.36 = 11,162.60 : x
  2. Step 2: Convert to fraction form
    28,713.30/43,053.36 = 11,162.60/x
  3. Step 3: Cross multiply
    28,713.30x = 43,053.36 × 11,162.60
  4. Step 4: Simplify right side
    28,713.30x = 480,587,436.34
  5. Step 5: Solve for x
    x = 480,587,436.34/28,713.30
  6. Step 6: Final answer
    x = 16,737.45

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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.