Home / 27,077.78-40,607.34-10,436.43

Finding the Fourth Proportional to 27,077.78, 40,607.34 and 10,436.43

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Solution

The fourth proportional to 27,077.78, 40,607.34 and 10,436.43 is: 15,651.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,077.78 : 40,607.34 = 10,436.43 : x
  2. Step 2: Convert to fraction form
    27,077.78/40,607.34 = 10,436.43/x
  3. Step 3: Cross multiply
    27,077.78x = 40,607.34 × 10,436.43
  4. Step 4: Simplify right side
    27,077.78x = 423,795,661.40
  5. Step 5: Solve for x
    x = 423,795,661.40/27,077.78
  6. Step 6: Final answer
    x = 15,651.05

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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.