Home / 28,904.60-43,346.10-11,370.80

Finding the Fourth Proportional to 28,904.60, 43,346.10 and 11,370.80

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Solution

The fourth proportional to 28,904.60, 43,346.10 and 11,370.80 is: 17,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.60 : 43,346.10 = 11,370.80 : x
  2. Step 2: Convert to fraction form
    28,904.60/43,346.10 = 11,370.80/x
  3. Step 3: Cross multiply
    28,904.60x = 43,346.10 × 11,370.80
  4. Step 4: Simplify right side
    28,904.60x = 492,879,833.88
  5. Step 5: Solve for x
    x = 492,879,833.88/28,904.60
  6. Step 6: Final answer
    x = 17,051.95

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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.