Home / 27,270.06-37,628.79-15,332.94

Finding the Fourth Proportional to 27,270.06, 37,628.79 and 15,332.94

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Solution

The fourth proportional to 27,270.06, 37,628.79 and 15,332.94 is: 21,157.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,270.06 : 37,628.79 = 15,332.94 : x
  2. Step 2: Convert to fraction form
    27,270.06/37,628.79 = 15,332.94/x
  3. Step 3: Cross multiply
    27,270.06x = 37,628.79 × 15,332.94
  4. Step 4: Simplify right side
    27,270.06x = 576,959,979.34
  5. Step 5: Solve for x
    x = 576,959,979.34/27,270.06
  6. Step 6: Final answer
    x = 21,157.27

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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.