Home / 39,422-54,402.36-26,868.68

Finding the Fourth Proportional to 39,422, 54,402.36 and 26,868.68

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Solution

The fourth proportional to 39,422, 54,402.36 and 26,868.68 is: 37,078.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,422 : 54,402.36 = 26,868.68 : x
  2. Step 2: Convert to fraction form
    39,422/54,402.36 = 26,868.68/x
  3. Step 3: Cross multiply
    39,422x = 54,402.36 × 26,868.68
  4. Step 4: Simplify right side
    39,422x = 1,461,719,602.08
  5. Step 5: Solve for x
    x = 1,461,719,602.08/39,422
  6. Step 6: Final answer
    x = 37,078.78

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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.