Home / 28,835.30-39,793.20-16,260.32

Finding the Fourth Proportional to 28,835.30, 39,793.20 and 16,260.32

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Solution

The fourth proportional to 28,835.30, 39,793.20 and 16,260.32 is: 22,439.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,835.30 : 39,793.20 = 16,260.32 : x
  2. Step 2: Convert to fraction form
    28,835.30/39,793.20 = 16,260.32/x
  3. Step 3: Cross multiply
    28,835.30x = 39,793.20 × 16,260.32
  4. Step 4: Simplify right side
    28,835.30x = 647,050,165.82
  5. Step 5: Solve for x
    x = 647,050,165.82/28,835.30
  6. Step 6: Final answer
    x = 22,439.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.