Home / 20,651.04-28,500.72-11,577.27

Finding the Fourth Proportional to 20,651.04, 28,500.72 and 11,577.27

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Solution

The fourth proportional to 20,651.04, 28,500.72 and 11,577.27 is: 15,977.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,651.04 : 28,500.72 = 11,577.27 : x
  2. Step 2: Convert to fraction form
    20,651.04/28,500.72 = 11,577.27/x
  3. Step 3: Cross multiply
    20,651.04x = 28,500.72 × 11,577.27
  4. Step 4: Simplify right side
    20,651.04x = 329,960,594.10
  5. Step 5: Solve for x
    x = 329,960,594.10/20,651.04
  6. Step 6: Final answer
    x = 15,977.92

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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.