Home / 28,847.21-43,272.38-9,124.29

Finding the Fourth Proportional to 28,847.21, 43,272.38 and 9,124.29

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Solution

The fourth proportional to 28,847.21, 43,272.38 and 9,124.29 is: 13,686.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,847.21 : 43,272.38 = 9,124.29 : x
  2. Step 2: Convert to fraction form
    28,847.21/43,272.38 = 9,124.29/x
  3. Step 3: Cross multiply
    28,847.21x = 43,272.38 × 9,124.29
  4. Step 4: Simplify right side
    28,847.21x = 394,829,766.92
  5. Step 5: Solve for x
    x = 394,829,766.92/28,847.21
  6. Step 6: Final answer
    x = 13,686.93

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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.