Home / 20,651.92-28,500.27-14,612.99

Finding the Fourth Proportional to 20,651.92, 28,500.27 and 14,612.99

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Solution

The fourth proportional to 20,651.92, 28,500.27 and 14,612.99 is: 20,166.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,651.92 : 28,500.27 = 14,612.99 : x
  2. Step 2: Convert to fraction form
    20,651.92/28,500.27 = 14,612.99/x
  3. Step 3: Cross multiply
    20,651.92x = 28,500.27 × 14,612.99
  4. Step 4: Simplify right side
    20,651.92x = 416,473,963.21
  5. Step 5: Solve for x
    x = 416,473,963.21/20,651.92
  6. Step 6: Final answer
    x = 20,166.36

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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.