Home / 28,171.68-42,173.34-17,044.74

Finding the Fourth Proportional to 28,171.68, 42,173.34 and 17,044.74

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Solution

The fourth proportional to 28,171.68, 42,173.34 and 17,044.74 is: 25,516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,171.68 : 42,173.34 = 17,044.74 : x
  2. Step 2: Convert to fraction form
    28,171.68/42,173.34 = 17,044.74/x
  3. Step 3: Cross multiply
    28,171.68x = 42,173.34 × 17,044.74
  4. Step 4: Simplify right side
    28,171.68x = 718,833,615.23
  5. Step 5: Solve for x
    x = 718,833,615.23/28,171.68
  6. Step 6: Final answer
    x = 25,516.18

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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.