Home / 27,081.67-37,369.33-15,143.08

Finding the Fourth Proportional to 27,081.67, 37,369.33 and 15,143.08

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Solution

The fourth proportional to 27,081.67, 37,369.33 and 15,143.08 is: 20,895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,081.67 : 37,369.33 = 15,143.08 : x
  2. Step 2: Convert to fraction form
    27,081.67/37,369.33 = 15,143.08/x
  3. Step 3: Cross multiply
    27,081.67x = 37,369.33 × 15,143.08
  4. Step 4: Simplify right side
    27,081.67x = 565,886,753.74
  5. Step 5: Solve for x
    x = 565,886,753.74/27,081.67
  6. Step 6: Final answer
    x = 20,895.56

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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.