Home / 27,089.30-40,637.83-8,370.97

Finding the Fourth Proportional to 27,089.30, 40,637.83 and 8,370.97

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Solution

The fourth proportional to 27,089.30, 40,637.83 and 8,370.97 is: 12,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089.30 : 40,637.83 = 8,370.97 : x
  2. Step 2: Convert to fraction form
    27,089.30/40,637.83 = 8,370.97/x
  3. Step 3: Cross multiply
    27,089.30x = 40,637.83 × 8,370.97
  4. Step 4: Simplify right side
    27,089.30x = 340,178,055.80
  5. Step 5: Solve for x
    x = 340,178,055.80/27,089.30
  6. Step 6: Final answer
    x = 12,557.65

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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.