Home / 27,148.80-37,465.83-15,212.10

Finding the Fourth Proportional to 27,148.80, 37,465.83 and 15,212.10

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Solution

The fourth proportional to 27,148.80, 37,465.83 and 15,212.10 is: 20,992.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,148.80 : 37,465.83 = 15,212.10 : x
  2. Step 2: Convert to fraction form
    27,148.80/37,465.83 = 15,212.10/x
  3. Step 3: Cross multiply
    27,148.80x = 37,465.83 × 15,212.10
  4. Step 4: Simplify right side
    27,148.80x = 569,933,952.54
  5. Step 5: Solve for x
    x = 569,933,952.54/27,148.80
  6. Step 6: Final answer
    x = 20,992.97

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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.