Home / 28,813.32-43,239.42-11,280.96

Finding the Fourth Proportional to 28,813.32, 43,239.42 and 11,280.96

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Solution

The fourth proportional to 28,813.32, 43,239.42 and 11,280.96 is: 16,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,813.32 : 43,239.42 = 11,280.96 : x
  2. Step 2: Convert to fraction form
    28,813.32/43,239.42 = 11,280.96/x
  3. Step 3: Cross multiply
    28,813.32x = 43,239.42 × 11,280.96
  4. Step 4: Simplify right side
    28,813.32x = 487,782,167.44
  5. Step 5: Solve for x
    x = 487,782,167.44/28,813.32
  6. Step 6: Final answer
    x = 16,929.05

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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.