Home / 27,399.47-37,808.24-15,460.61

Finding the Fourth Proportional to 27,399.47, 37,808.24 and 15,460.61

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Solution

The fourth proportional to 27,399.47, 37,808.24 and 15,460.61 is: 21,333.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,399.47 : 37,808.24 = 15,460.61 : x
  2. Step 2: Convert to fraction form
    27,399.47/37,808.24 = 15,460.61/x
  3. Step 3: Cross multiply
    27,399.47x = 37,808.24 × 15,460.61
  4. Step 4: Simplify right side
    27,399.47x = 584,538,187.08
  5. Step 5: Solve for x
    x = 584,538,187.08/27,399.47
  6. Step 6: Final answer
    x = 21,333.93

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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.