Home / 27,870.25-38,448.38-16,540.22

Finding the Fourth Proportional to 27,870.25, 38,448.38 and 16,540.22

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Solution

The fourth proportional to 27,870.25, 38,448.38 and 16,540.22 is: 22,818.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,870.25 : 38,448.38 = 16,540.22 : x
  2. Step 2: Convert to fraction form
    27,870.25/38,448.38 = 16,540.22/x
  3. Step 3: Cross multiply
    27,870.25x = 38,448.38 × 16,540.22
  4. Step 4: Simplify right side
    27,870.25x = 635,944,663.84
  5. Step 5: Solve for x
    x = 635,944,663.84/27,870.25
  6. Step 6: Final answer
    x = 22,818.05

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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.