Home / 27,963.20-41,931.83-10,428.32

Finding the Fourth Proportional to 27,963.20, 41,931.83 and 10,428.32

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Solution

The fourth proportional to 27,963.20, 41,931.83 and 10,428.32 is: 15,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,963.20 : 41,931.83 = 10,428.32 : x
  2. Step 2: Convert to fraction form
    27,963.20/41,931.83 = 10,428.32/x
  3. Step 3: Cross multiply
    27,963.20x = 41,931.83 × 10,428.32
  4. Step 4: Simplify right side
    27,963.20x = 437,278,279.62
  5. Step 5: Solve for x
    x = 437,278,279.62/27,963.20
  6. Step 6: Final answer
    x = 15,637.64

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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.