Home / 27,520.71-41,270.55-11,715.74

Finding the Fourth Proportional to 27,520.71, 41,270.55 and 11,715.74

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Solution

The fourth proportional to 27,520.71, 41,270.55 and 11,715.74 is: 17,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,520.71 : 41,270.55 = 11,715.74 : x
  2. Step 2: Convert to fraction form
    27,520.71/41,270.55 = 11,715.74/x
  3. Step 3: Cross multiply
    27,520.71x = 41,270.55 × 11,715.74
  4. Step 4: Simplify right side
    27,520.71x = 483,515,033.46
  5. Step 5: Solve for x
    x = 483,515,033.46/27,520.71
  6. Step 6: Final answer
    x = 17,569.13

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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.