Home / 27,116.43-40,678.60-8,397.91

Finding the Fourth Proportional to 27,116.43, 40,678.60 and 8,397.91

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Solution

The fourth proportional to 27,116.43, 40,678.60 and 8,397.91 is: 12,598.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,116.43 : 40,678.60 = 8,397.91 : x
  2. Step 2: Convert to fraction form
    27,116.43/40,678.60 = 8,397.91/x
  3. Step 3: Cross multiply
    27,116.43x = 40,678.60 × 8,397.91
  4. Step 4: Simplify right side
    27,116.43x = 341,615,221.73
  5. Step 5: Solve for x
    x = 341,615,221.73/27,116.43
  6. Step 6: Final answer
    x = 12,598.09

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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.