Home / 39,028-53,881.86-25,622.71

Finding the Fourth Proportional to 39,028, 53,881.86 and 25,622.71

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Solution

The fourth proportional to 39,028, 53,881.86 and 25,622.71 is: 35,374.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,028 : 53,881.86 = 25,622.71 : x
  2. Step 2: Convert to fraction form
    39,028/53,881.86 = 25,622.71/x
  3. Step 3: Cross multiply
    39,028x = 53,881.86 × 25,622.71
  4. Step 4: Simplify right side
    39,028x = 1,380,599,273.04
  5. Step 5: Solve for x
    x = 1,380,599,273.04/39,028
  6. Step 6: Final answer
    x = 35,374.58

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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.