Home / 27,148.84-37,464.92-15,212.14

Finding the Fourth Proportional to 27,148.84, 37,464.92 and 15,212.14

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Solution

The fourth proportional to 27,148.84, 37,464.92 and 15,212.14 is: 20,992.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,148.84 : 37,464.92 = 15,212.14 : x
  2. Step 2: Convert to fraction form
    27,148.84/37,464.92 = 15,212.14/x
  3. Step 3: Cross multiply
    27,148.84x = 37,464.92 × 15,212.14
  4. Step 4: Simplify right side
    27,148.84x = 569,921,608.13
  5. Step 5: Solve for x
    x = 569,921,608.13/27,148.84
  6. Step 6: Final answer
    x = 20,992.48

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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.