Home / 19,880.27-27,436.17-10,927.85

Finding the Fourth Proportional to 19,880.27, 27,436.17 and 10,927.85

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Solution

The fourth proportional to 19,880.27, 27,436.17 and 10,927.85 is: 15,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,880.27 : 27,436.17 = 10,927.85 : x
  2. Step 2: Convert to fraction form
    19,880.27/27,436.17 = 10,927.85/x
  3. Step 3: Cross multiply
    19,880.27x = 27,436.17 × 10,927.85
  4. Step 4: Simplify right side
    19,880.27x = 299,818,213.15
  5. Step 5: Solve for x
    x = 299,818,213.15/19,880.27
  6. Step 6: Final answer
    x = 15,081.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.