Home / 27,089.05-40,637.45-8,370.72

Finding the Fourth Proportional to 27,089.05, 40,637.45 and 8,370.72

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Solution

The fourth proportional to 27,089.05, 40,637.45 and 8,370.72 is: 12,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089.05 : 40,637.45 = 8,370.72 : x
  2. Step 2: Convert to fraction form
    27,089.05/40,637.45 = 8,370.72/x
  3. Step 3: Cross multiply
    27,089.05x = 40,637.45 × 8,370.72
  4. Step 4: Simplify right side
    27,089.05x = 340,164,736.39
  5. Step 5: Solve for x
    x = 340,164,736.39/27,089.05
  6. Step 6: Final answer
    x = 12,557.28

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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.