Home / 20,023.64-27,631.84-11,070.56

Finding the Fourth Proportional to 20,023.64, 27,631.84 and 11,070.56

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Solution

The fourth proportional to 20,023.64, 27,631.84 and 11,070.56 is: 15,276.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.64 : 27,631.84 = 11,070.56 : x
  2. Step 2: Convert to fraction form
    20,023.64/27,631.84 = 11,070.56/x
  3. Step 3: Cross multiply
    20,023.64x = 27,631.84 × 11,070.56
  4. Step 4: Simplify right side
    20,023.64x = 305,899,942.63
  5. Step 5: Solve for x
    x = 305,899,942.63/20,023.64
  6. Step 6: Final answer
    x = 15,276.94

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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.