Home / 20,037.64-27,626.82-12,854.90

Finding the Fourth Proportional to 20,037.64, 27,626.82 and 12,854.90

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Solution

The fourth proportional to 20,037.64, 27,626.82 and 12,854.90 is: 17,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.64 : 27,626.82 = 12,854.90 : x
  2. Step 2: Convert to fraction form
    20,037.64/27,626.82 = 12,854.90/x
  3. Step 3: Cross multiply
    20,037.64x = 27,626.82 × 12,854.90
  4. Step 4: Simplify right side
    20,037.64x = 355,140,008.42
  5. Step 5: Solve for x
    x = 355,140,008.42/20,037.64
  6. Step 6: Final answer
    x = 17,723.64

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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.