Home / 27,542.07-38,007.96-15,607.68

Finding the Fourth Proportional to 27,542.07, 38,007.96 and 15,607.68

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Solution

The fourth proportional to 27,542.07, 38,007.96 and 15,607.68 is: 21,538.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,542.07 : 38,007.96 = 15,607.68 : x
  2. Step 2: Convert to fraction form
    27,542.07/38,007.96 = 15,607.68/x
  3. Step 3: Cross multiply
    27,542.07x = 38,007.96 × 15,607.68
  4. Step 4: Simplify right side
    27,542.07x = 593,216,077.13
  5. Step 5: Solve for x
    x = 593,216,077.13/27,542.07
  6. Step 6: Final answer
    x = 21,538.54

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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.