Home / 28,858.72-43,270.56-11,307.52

Finding the Fourth Proportional to 28,858.72, 43,270.56 and 11,307.52

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Solution

The fourth proportional to 28,858.72, 43,270.56 and 11,307.52 is: 16,954.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858.72 : 43,270.56 = 11,307.52 : x
  2. Step 2: Convert to fraction form
    28,858.72/43,270.56 = 11,307.52/x
  3. Step 3: Cross multiply
    28,858.72x = 43,270.56 × 11,307.52
  4. Step 4: Simplify right side
    28,858.72x = 489,282,722.61
  5. Step 5: Solve for x
    x = 489,282,722.61/28,858.72
  6. Step 6: Final answer
    x = 16,954.42

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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.