Home / 28,397.14-42,530.07-27,412.99

Finding the Fourth Proportional to 28,397.14, 42,530.07 and 27,412.99

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Solution

The fourth proportional to 28,397.14, 42,530.07 and 27,412.99 is: 41,056.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397.14 : 42,530.07 = 27,412.99 : x
  2. Step 2: Convert to fraction form
    28,397.14/42,530.07 = 27,412.99/x
  3. Step 3: Cross multiply
    28,397.14x = 42,530.07 × 27,412.99
  4. Step 4: Simplify right side
    28,397.14x = 1,165,876,489.93
  5. Step 5: Solve for x
    x = 1,165,876,489.93/28,397.14
  6. Step 6: Final answer
    x = 41,056.12

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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.