Home / 28,856.67-43,289.78-10,131.84

Finding the Fourth Proportional to 28,856.67, 43,289.78 and 10,131.84

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Solution

The fourth proportional to 28,856.67, 43,289.78 and 10,131.84 is: 15,199.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.67 : 43,289.78 = 10,131.84 : x
  2. Step 2: Convert to fraction form
    28,856.67/43,289.78 = 10,131.84/x
  3. Step 3: Cross multiply
    28,856.67x = 43,289.78 × 10,131.84
  4. Step 4: Simplify right side
    28,856.67x = 438,605,124.60
  5. Step 5: Solve for x
    x = 438,605,124.60/28,856.67
  6. Step 6: Final answer
    x = 15,199.44

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1.5x scale

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.