Home / 17,828.10-26,742.15-8,612.10

Finding the Fourth Proportional to 17,828.10, 26,742.15 and 8,612.10

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Solution

The fourth proportional to 17,828.10, 26,742.15 and 8,612.10 is: 12,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,828.10 : 26,742.15 = 8,612.10 : x
  2. Step 2: Convert to fraction form
    17,828.10/26,742.15 = 8,612.10/x
  3. Step 3: Cross multiply
    17,828.10x = 26,742.15 × 8,612.10
  4. Step 4: Simplify right side
    17,828.10x = 230,306,070.02
  5. Step 5: Solve for x
    x = 230,306,070.02/17,828.10
  6. Step 6: Final answer
    x = 12,918.15

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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.