Home / 27,284.72-40,918.37-10,640.70

Finding the Fourth Proportional to 27,284.72, 40,918.37 and 10,640.70

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Solution

The fourth proportional to 27,284.72, 40,918.37 and 10,640.70 is: 15,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,284.72 : 40,918.37 = 10,640.70 : x
  2. Step 2: Convert to fraction form
    27,284.72/40,918.37 = 10,640.70/x
  3. Step 3: Cross multiply
    27,284.72x = 40,918.37 × 10,640.70
  4. Step 4: Simplify right side
    27,284.72x = 435,400,046.46
  5. Step 5: Solve for x
    x = 435,400,046.46/27,284.72
  6. Step 6: Final answer
    x = 15,957.65

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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.