Home / 27,424.43-41,105.55-12,602.72

Finding the Fourth Proportional to 27,424.43, 41,105.55 and 12,602.72

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Solution

The fourth proportional to 27,424.43, 41,105.55 and 12,602.72 is: 18,889.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,424.43 : 41,105.55 = 12,602.72 : x
  2. Step 2: Convert to fraction form
    27,424.43/41,105.55 = 12,602.72/x
  3. Step 3: Cross multiply
    27,424.43x = 41,105.55 × 12,602.72
  4. Step 4: Simplify right side
    27,424.43x = 518,041,531.57
  5. Step 5: Solve for x
    x = 518,041,531.57/27,424.43
  6. Step 6: Final answer
    x = 18,889.79

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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.