Home / 27,330.54-37,717.02-15,394.80

Finding the Fourth Proportional to 27,330.54, 37,717.02 and 15,394.80

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Solution

The fourth proportional to 27,330.54, 37,717.02 and 15,394.80 is: 21,245.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,330.54 : 37,717.02 = 15,394.80 : x
  2. Step 2: Convert to fraction form
    27,330.54/37,717.02 = 15,394.80/x
  3. Step 3: Cross multiply
    27,330.54x = 37,717.02 × 15,394.80
  4. Step 4: Simplify right side
    27,330.54x = 580,645,979.50
  5. Step 5: Solve for x
    x = 580,645,979.50/27,330.54
  6. Step 6: Final answer
    x = 21,245.32

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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.