Home / 28,241.40-42,366.96-11,610.48

Finding the Fourth Proportional to 28,241.40, 42,366.96 and 11,610.48

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Solution

The fourth proportional to 28,241.40, 42,366.96 and 11,610.48 is: 17,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,241.40 : 42,366.96 = 11,610.48 : x
  2. Step 2: Convert to fraction form
    28,241.40/42,366.96 = 11,610.48/x
  3. Step 3: Cross multiply
    28,241.40x = 42,366.96 × 11,610.48
  4. Step 4: Simplify right side
    28,241.40x = 491,900,741.74
  5. Step 5: Solve for x
    x = 491,900,741.74/28,241.40
  6. Step 6: Final answer
    x = 17,417.72

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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.