Home / 27,434.70-37,856.97-20,268.36

Finding the Fourth Proportional to 27,434.70, 37,856.97 and 20,268.36

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Solution

The fourth proportional to 27,434.70, 37,856.97 and 20,268.36 is: 27,968.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,434.70 : 37,856.97 = 20,268.36 : x
  2. Step 2: Convert to fraction form
    27,434.70/37,856.97 = 20,268.36/x
  3. Step 3: Cross multiply
    27,434.70x = 37,856.97 × 20,268.36
  4. Step 4: Simplify right side
    27,434.70x = 767,298,696.47
  5. Step 5: Solve for x
    x = 767,298,696.47/27,434.70
  6. Step 6: Final answer
    x = 27,968.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.