Home / 27,388.49-37,797.86-15,447.47

Finding the Fourth Proportional to 27,388.49, 37,797.86 and 15,447.47

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Solution

The fourth proportional to 27,388.49, 37,797.86 and 15,447.47 is: 21,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,388.49 : 37,797.86 = 15,447.47 : x
  2. Step 2: Convert to fraction form
    27,388.49/37,797.86 = 15,447.47/x
  3. Step 3: Cross multiply
    27,388.49x = 37,797.86 × 15,447.47
  4. Step 4: Simplify right side
    27,388.49x = 583,881,308.41
  5. Step 5: Solve for x
    x = 583,881,308.41/27,388.49
  6. Step 6: Final answer
    x = 21,318.49

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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.