Home / 27,680.94-41,521.32-11,875.71

Finding the Fourth Proportional to 27,680.94, 41,521.32 and 11,875.71

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Solution

The fourth proportional to 27,680.94, 41,521.32 and 11,875.71 is: 17,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680.94 : 41,521.32 = 11,875.71 : x
  2. Step 2: Convert to fraction form
    27,680.94/41,521.32 = 11,875.71/x
  3. Step 3: Cross multiply
    27,680.94x = 41,521.32 × 11,875.71
  4. Step 4: Simplify right side
    27,680.94x = 493,095,155.14
  5. Step 5: Solve for x
    x = 493,095,155.14/27,680.94
  6. Step 6: Final answer
    x = 17,813.53

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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.