Home / 20,037.28-27,618.32-15,060.64

Finding the Fourth Proportional to 20,037.28, 27,618.32 and 15,060.64

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Solution

The fourth proportional to 20,037.28, 27,618.32 and 15,060.64 is: 20,758.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.28 : 27,618.32 = 15,060.64 : x
  2. Step 2: Convert to fraction form
    20,037.28/27,618.32 = 15,060.64/x
  3. Step 3: Cross multiply
    20,037.28x = 27,618.32 × 15,060.64
  4. Step 4: Simplify right side
    20,037.28x = 415,949,574.92
  5. Step 5: Solve for x
    x = 415,949,574.92/20,037.28
  6. Step 6: Final answer
    x = 20,758.78

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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.