Home / 21,826.45-32,714.09-10,115.07

Finding the Fourth Proportional to 21,826.45, 32,714.09 and 10,115.07

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Solution

The fourth proportional to 21,826.45, 32,714.09 and 10,115.07 is: 15,160.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,826.45 : 32,714.09 = 10,115.07 : x
  2. Step 2: Convert to fraction form
    21,826.45/32,714.09 = 10,115.07/x
  3. Step 3: Cross multiply
    21,826.45x = 32,714.09 × 10,115.07
  4. Step 4: Simplify right side
    21,826.45x = 330,905,310.34
  5. Step 5: Solve for x
    x = 330,905,310.34/21,826.45
  6. Step 6: Final answer
    x = 15,160.75

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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.