Home / 28,865.45-43,298.18-17,784.65

Finding the Fourth Proportional to 28,865.45, 43,298.18 and 17,784.65

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Solution

The fourth proportional to 28,865.45, 43,298.18 and 17,784.65 is: 26,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865.45 : 43,298.18 = 17,784.65 : x
  2. Step 2: Convert to fraction form
    28,865.45/43,298.18 = 17,784.65/x
  3. Step 3: Cross multiply
    28,865.45x = 43,298.18 × 17,784.65
  4. Step 4: Simplify right side
    28,865.45x = 770,042,888.01
  5. Step 5: Solve for x
    x = 770,042,888.01/28,865.45
  6. Step 6: Final answer
    x = 26,676.98

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Similar ratio
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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.