Home / 27,239.09-37,610.93-21,957.48

Finding the Fourth Proportional to 27,239.09, 37,610.93 and 21,957.48

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Solution

The fourth proportional to 27,239.09, 37,610.93 and 21,957.48 is: 30,318.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,239.09 : 37,610.93 = 21,957.48 : x
  2. Step 2: Convert to fraction form
    27,239.09/37,610.93 = 21,957.48/x
  3. Step 3: Cross multiply
    27,239.09x = 37,610.93 × 21,957.48
  4. Step 4: Simplify right side
    27,239.09x = 825,841,298.15
  5. Step 5: Solve for x
    x = 825,841,298.15/27,239.09
  6. Step 6: Final answer
    x = 30,318.25

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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.