Home / 27,427.84-41,143.19-8,709.35

Finding the Fourth Proportional to 27,427.84, 41,143.19 and 8,709.35

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Solution

The fourth proportional to 27,427.84, 41,143.19 and 8,709.35 is: 13,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,427.84 : 41,143.19 = 8,709.35 : x
  2. Step 2: Convert to fraction form
    27,427.84/41,143.19 = 8,709.35/x
  3. Step 3: Cross multiply
    27,427.84x = 41,143.19 × 8,709.35
  4. Step 4: Simplify right side
    27,427.84x = 358,330,357.27
  5. Step 5: Solve for x
    x = 358,330,357.27/27,427.84
  6. Step 6: Final answer
    x = 13,064.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.