Home / 28,909.69-43,358.58-11,134.25

Finding the Fourth Proportional to 28,909.69, 43,358.58 and 11,134.25

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Solution

The fourth proportional to 28,909.69, 43,358.58 and 11,134.25 is: 16,699.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,909.69 : 43,358.58 = 11,134.25 : x
  2. Step 2: Convert to fraction form
    28,909.69/43,358.58 = 11,134.25/x
  3. Step 3: Cross multiply
    28,909.69x = 43,358.58 × 11,134.25
  4. Step 4: Simplify right side
    28,909.69x = 482,765,269.37
  5. Step 5: Solve for x
    x = 482,765,269.37/28,909.69
  6. Step 6: Final answer
    x = 16,699.08

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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.