Home / 28,556.52-42,826.56-9,835.80

Finding the Fourth Proportional to 28,556.52, 42,826.56 and 9,835.80

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Solution

The fourth proportional to 28,556.52, 42,826.56 and 9,835.80 is: 14,750.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,556.52 : 42,826.56 = 9,835.80 : x
  2. Step 2: Convert to fraction form
    28,556.52/42,826.56 = 9,835.80/x
  3. Step 3: Cross multiply
    28,556.52x = 42,826.56 × 9,835.80
  4. Step 4: Simplify right side
    28,556.52x = 421,233,478.85
  5. Step 5: Solve for x
    x = 421,233,478.85/28,556.52
  6. Step 6: Final answer
    x = 14,750.87

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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.