Home / 27,388.68-37,796.08-15,455.88

Finding the Fourth Proportional to 27,388.68, 37,796.08 and 15,455.88

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Solution

The fourth proportional to 27,388.68, 37,796.08 and 15,455.88 is: 21,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,388.68 : 37,796.08 = 15,455.88 : x
  2. Step 2: Convert to fraction form
    27,388.68/37,796.08 = 15,455.88/x
  3. Step 3: Cross multiply
    27,388.68x = 37,796.08 × 15,455.88
  4. Step 4: Simplify right side
    27,388.68x = 584,171,676.95
  5. Step 5: Solve for x
    x = 584,171,676.95/27,388.68
  6. Step 6: Final answer
    x = 21,328.95

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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.