Home / 25,714.20-38,531.40-17,832.09

Finding the Fourth Proportional to 25,714.20, 38,531.40 and 17,832.09

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Solution

The fourth proportional to 25,714.20, 38,531.40 and 17,832.09 is: 26,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,714.20 : 38,531.40 = 17,832.09 : x
  2. Step 2: Convert to fraction form
    25,714.20/38,531.40 = 17,832.09/x
  3. Step 3: Cross multiply
    25,714.20x = 38,531.40 × 17,832.09
  4. Step 4: Simplify right side
    25,714.20x = 687,095,392.63
  5. Step 5: Solve for x
    x = 687,095,392.63/25,714.20
  6. Step 6: Final answer
    x = 26,720.47

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1.5x scale

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.