Home / 27,288.39-37,655.31-15,351.47

Finding the Fourth Proportional to 27,288.39, 37,655.31 and 15,351.47

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Solution

The fourth proportional to 27,288.39, 37,655.31 and 15,351.47 is: 21,183.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288.39 : 37,655.31 = 15,351.47 : x
  2. Step 2: Convert to fraction form
    27,288.39/37,655.31 = 15,351.47/x
  3. Step 3: Cross multiply
    27,288.39x = 37,655.31 × 15,351.47
  4. Step 4: Simplify right side
    27,288.39x = 578,064,454.59
  5. Step 5: Solve for x
    x = 578,064,454.59/27,288.39
  6. Step 6: Final answer
    x = 21,183.53

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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.