Home / 27,299.41-40,921.17-15,436.15

Finding the Fourth Proportional to 27,299.41, 40,921.17 and 15,436.15

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Solution

The fourth proportional to 27,299.41, 40,921.17 and 15,436.15 is: 23,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,299.41 : 40,921.17 = 15,436.15 : x
  2. Step 2: Convert to fraction form
    27,299.41/40,921.17 = 15,436.15/x
  3. Step 3: Cross multiply
    27,299.41x = 40,921.17 × 15,436.15
  4. Step 4: Simplify right side
    27,299.41x = 631,665,158.11
  5. Step 5: Solve for x
    x = 631,665,158.11/27,299.41
  6. Step 6: Final answer
    x = 23,138.42

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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.