Home / 27,277.92-37,644.36-15,342.36

Finding the Fourth Proportional to 27,277.92, 37,644.36 and 15,342.36

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Solution

The fourth proportional to 27,277.92, 37,644.36 and 15,342.36 is: 21,172.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,277.92 : 37,644.36 = 15,342.36 : x
  2. Step 2: Convert to fraction form
    27,277.92/37,644.36 = 15,342.36/x
  3. Step 3: Cross multiply
    27,277.92x = 37,644.36 × 15,342.36
  4. Step 4: Simplify right side
    27,277.92x = 577,553,323.09
  5. Step 5: Solve for x
    x = 577,553,323.09/27,277.92
  6. Step 6: Final answer
    x = 21,172.92

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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.