Home / 27,278.94-37,643.61-15,343.41

Finding the Fourth Proportional to 27,278.94, 37,643.61 and 15,343.41

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Solution

The fourth proportional to 27,278.94, 37,643.61 and 15,343.41 is: 21,173.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.94 : 37,643.61 = 15,343.41 : x
  2. Step 2: Convert to fraction form
    27,278.94/37,643.61 = 15,343.41/x
  3. Step 3: Cross multiply
    27,278.94x = 37,643.61 × 15,343.41
  4. Step 4: Simplify right side
    27,278.94x = 577,581,342.11
  5. Step 5: Solve for x
    x = 577,581,342.11/27,278.94
  6. Step 6: Final answer
    x = 21,173.16

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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.