Home / 18,476.32-27,714.40-4,625.28

Finding the Fourth Proportional to 18,476.32, 27,714.40 and 4,625.28

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Solution

The fourth proportional to 18,476.32, 27,714.40 and 4,625.28 is: 6,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,476.32 : 27,714.40 = 4,625.28 : x
  2. Step 2: Convert to fraction form
    18,476.32/27,714.40 = 4,625.28/x
  3. Step 3: Cross multiply
    18,476.32x = 27,714.40 × 4,625.28
  4. Step 4: Simplify right side
    18,476.32x = 128,186,860.03
  5. Step 5: Solve for x
    x = 128,186,860.03/18,476.32
  6. Step 6: Final answer
    x = 6,937.90

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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.