Home / 27,428.08-41,143.53-8,709.57

Finding the Fourth Proportional to 27,428.08, 41,143.53 and 8,709.57

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Solution

The fourth proportional to 27,428.08, 41,143.53 and 8,709.57 is: 13,064.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,428.08 : 41,143.53 = 8,709.57 : x
  2. Step 2: Convert to fraction form
    27,428.08/41,143.53 = 8,709.57/x
  3. Step 3: Cross multiply
    27,428.08x = 41,143.53 × 8,709.57
  4. Step 4: Simplify right side
    27,428.08x = 358,342,641.53
  5. Step 5: Solve for x
    x = 358,342,641.53/27,428.08
  6. Step 6: Final answer
    x = 13,064.81

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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.