Home / 28,404.05-39,200.52-17,077.25

Finding the Fourth Proportional to 28,404.05, 39,200.52 and 17,077.25

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Solution

The fourth proportional to 28,404.05, 39,200.52 and 17,077.25 is: 23,568.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,404.05 : 39,200.52 = 17,077.25 : x
  2. Step 2: Convert to fraction form
    28,404.05/39,200.52 = 17,077.25/x
  3. Step 3: Cross multiply
    28,404.05x = 39,200.52 × 17,077.25
  4. Step 4: Simplify right side
    28,404.05x = 669,437,080.17
  5. Step 5: Solve for x
    x = 669,437,080.17/28,404.05
  6. Step 6: Final answer
    x = 23,568.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.