Home / 28,556.51-42,826.57-9,835.79

Finding the Fourth Proportional to 28,556.51, 42,826.57 and 9,835.79

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Solution

The fourth proportional to 28,556.51, 42,826.57 and 9,835.79 is: 14,750.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,556.51 : 42,826.57 = 9,835.79 : x
  2. Step 2: Convert to fraction form
    28,556.51/42,826.57 = 9,835.79/x
  3. Step 3: Cross multiply
    28,556.51x = 42,826.57 × 9,835.79
  4. Step 4: Simplify right side
    28,556.51x = 421,233,148.94
  5. Step 5: Solve for x
    x = 421,233,148.94/28,556.51
  6. Step 6: Final answer
    x = 14,750.86

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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.