Home / 28,448.39-42,456.27-25,295.64

Finding the Fourth Proportional to 28,448.39, 42,456.27 and 25,295.64

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Solution

The fourth proportional to 28,448.39, 42,456.27 and 25,295.64 is: 37,751.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,448.39 : 42,456.27 = 25,295.64 : x
  2. Step 2: Convert to fraction form
    28,448.39/42,456.27 = 25,295.64/x
  3. Step 3: Cross multiply
    28,448.39x = 42,456.27 × 25,295.64
  4. Step 4: Simplify right side
    28,448.39x = 1,073,958,521.66
  5. Step 5: Solve for x
    x = 1,073,958,521.66/28,448.39
  6. Step 6: Final answer
    x = 37,751.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.