Home / 28,820.52-43,241.76-11,302.56

Finding the Fourth Proportional to 28,820.52, 43,241.76 and 11,302.56

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Solution

The fourth proportional to 28,820.52, 43,241.76 and 11,302.56 is: 16,958.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,820.52 : 43,241.76 = 11,302.56 : x
  2. Step 2: Convert to fraction form
    28,820.52/43,241.76 = 11,302.56/x
  3. Step 3: Cross multiply
    28,820.52x = 43,241.76 × 11,302.56
  4. Step 4: Simplify right side
    28,820.52x = 488,742,586.91
  5. Step 5: Solve for x
    x = 488,742,586.91/28,820.52
  6. Step 6: Final answer
    x = 16,958.15

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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.