Home / 28,856.85-43,289.33-9,133.35

Finding the Fourth Proportional to 28,856.85, 43,289.33 and 9,133.35

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Solution

The fourth proportional to 28,856.85, 43,289.33 and 9,133.35 is: 13,701.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.85 : 43,289.33 = 9,133.35 : x
  2. Step 2: Convert to fraction form
    28,856.85/43,289.33 = 9,133.35/x
  3. Step 3: Cross multiply
    28,856.85x = 43,289.33 × 9,133.35
  4. Step 4: Simplify right side
    28,856.85x = 395,376,556.49
  5. Step 5: Solve for x
    x = 395,376,556.49/28,856.85
  6. Step 6: Final answer
    x = 13,701.31

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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.