Home / 28,711.29-43,050.36-11,160.60

Finding the Fourth Proportional to 28,711.29, 43,050.36 and 11,160.60

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Solution

The fourth proportional to 28,711.29, 43,050.36 and 11,160.60 is: 16,734.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,711.29 : 43,050.36 = 11,160.60 : x
  2. Step 2: Convert to fraction form
    28,711.29/43,050.36 = 11,160.60/x
  3. Step 3: Cross multiply
    28,711.29x = 43,050.36 × 11,160.60
  4. Step 4: Simplify right side
    28,711.29x = 480,467,847.82
  5. Step 5: Solve for x
    x = 480,467,847.82/28,711.29
  6. Step 6: Final answer
    x = 16,734.46

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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.