Home / 28,140.10-38,837.55-17,533.15

Finding the Fourth Proportional to 28,140.10, 38,837.55 and 17,533.15

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Solution

The fourth proportional to 28,140.10, 38,837.55 and 17,533.15 is: 24,198.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,140.10 : 38,837.55 = 17,533.15 : x
  2. Step 2: Convert to fraction form
    28,140.10/38,837.55 = 17,533.15/x
  3. Step 3: Cross multiply
    28,140.10x = 38,837.55 × 17,533.15
  4. Step 4: Simplify right side
    28,140.10x = 680,944,589.78
  5. Step 5: Solve for x
    x = 680,944,589.78/28,140.10
  6. Step 6: Final answer
    x = 24,198.37

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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.