Home / 27,772.10-38,326.52-15,835.31

Finding the Fourth Proportional to 27,772.10, 38,326.52 and 15,835.31

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Solution

The fourth proportional to 27,772.10, 38,326.52 and 15,835.31 is: 21,853.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,772.10 : 38,326.52 = 15,835.31 : x
  2. Step 2: Convert to fraction form
    27,772.10/38,326.52 = 15,835.31/x
  3. Step 3: Cross multiply
    27,772.10x = 38,326.52 × 15,835.31
  4. Step 4: Simplify right side
    27,772.10x = 606,912,325.42
  5. Step 5: Solve for x
    x = 606,912,325.42/27,772.10
  6. Step 6: Final answer
    x = 21,853.31

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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.