Home / 28,835.60-39,793.38-16,900.04

Finding the Fourth Proportional to 28,835.60, 39,793.38 and 16,900.04

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Solution

The fourth proportional to 28,835.60, 39,793.38 and 16,900.04 is: 23,322.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,835.60 : 39,793.38 = 16,900.04 : x
  2. Step 2: Convert to fraction form
    28,835.60/39,793.38 = 16,900.04/x
  3. Step 3: Cross multiply
    28,835.60x = 39,793.38 × 16,900.04
  4. Step 4: Simplify right side
    28,835.60x = 672,509,749.84
  5. Step 5: Solve for x
    x = 672,509,749.84/28,835.60
  6. Step 6: Final answer
    x = 23,322.21

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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.