Home / 27,339.54-37,727.49-15,405.27

Finding the Fourth Proportional to 27,339.54, 37,727.49 and 15,405.27

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Solution

The fourth proportional to 27,339.54, 37,727.49 and 15,405.27 is: 21,258.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,339.54 : 37,727.49 = 15,405.27 : x
  2. Step 2: Convert to fraction form
    27,339.54/37,727.49 = 15,405.27/x
  3. Step 3: Cross multiply
    27,339.54x = 37,727.49 × 15,405.27
  4. Step 4: Simplify right side
    27,339.54x = 581,201,999.51
  5. Step 5: Solve for x
    x = 581,201,999.51/27,339.54
  6. Step 6: Final answer
    x = 21,258.66

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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.