Home / 27,102.58-40,653.92-17,801.35

Finding the Fourth Proportional to 27,102.58, 40,653.92 and 17,801.35

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Solution

The fourth proportional to 27,102.58, 40,653.92 and 17,801.35 is: 26,702.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,102.58 : 40,653.92 = 17,801.35 : x
  2. Step 2: Convert to fraction form
    27,102.58/40,653.92 = 17,801.35/x
  3. Step 3: Cross multiply
    27,102.58x = 40,653.92 × 17,801.35
  4. Step 4: Simplify right side
    27,102.58x = 723,694,569.79
  5. Step 5: Solve for x
    x = 723,694,569.79/27,102.58
  6. Step 6: Final answer
    x = 26,702.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.