Home / 20,477.94-28,229.49-14,491.14

Finding the Fourth Proportional to 20,477.94, 28,229.49 and 14,491.14

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Solution

The fourth proportional to 20,477.94, 28,229.49 and 14,491.14 is: 19,976.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,477.94 : 28,229.49 = 14,491.14 : x
  2. Step 2: Convert to fraction form
    20,477.94/28,229.49 = 14,491.14/x
  3. Step 3: Cross multiply
    20,477.94x = 28,229.49 × 14,491.14
  4. Step 4: Simplify right side
    20,477.94x = 409,077,491.72
  5. Step 5: Solve for x
    x = 409,077,491.72/20,477.94
  6. Step 6: Final answer
    x = 19,976.50

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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.