Home / 27,914.51-38,521.82-15,339.53

Finding the Fourth Proportional to 27,914.51, 38,521.82 and 15,339.53

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Solution

The fourth proportional to 27,914.51, 38,521.82 and 15,339.53 is: 21,168.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,914.51 : 38,521.82 = 15,339.53 : x
  2. Step 2: Convert to fraction form
    27,914.51/38,521.82 = 15,339.53/x
  3. Step 3: Cross multiply
    27,914.51x = 38,521.82 × 15,339.53
  4. Step 4: Simplify right side
    27,914.51x = 590,906,344.24
  5. Step 5: Solve for x
    x = 590,906,344.24/27,914.51
  6. Step 6: Final answer
    x = 21,168.43

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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.