Home / 28,448.56-39,266.04-17,279.92

Finding the Fourth Proportional to 28,448.56, 39,266.04 and 17,279.92

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Solution

The fourth proportional to 28,448.56, 39,266.04 and 17,279.92 is: 23,850.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,448.56 : 39,266.04 = 17,279.92 : x
  2. Step 2: Convert to fraction form
    28,448.56/39,266.04 = 17,279.92/x
  3. Step 3: Cross multiply
    28,448.56x = 39,266.04 × 17,279.92
  4. Step 4: Simplify right side
    28,448.56x = 678,514,029.92
  5. Step 5: Solve for x
    x = 678,514,029.92/28,448.56
  6. Step 6: Final answer
    x = 23,850.56

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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.