Home / 20,577.64-28,371.33-16,796.96

Finding the Fourth Proportional to 20,577.64, 28,371.33 and 16,796.96

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Solution

The fourth proportional to 20,577.64, 28,371.33 and 16,796.96 is: 23,158.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,577.64 : 28,371.33 = 16,796.96 : x
  2. Step 2: Convert to fraction form
    20,577.64/28,371.33 = 16,796.96/x
  3. Step 3: Cross multiply
    20,577.64x = 28,371.33 × 16,796.96
  4. Step 4: Simplify right side
    20,577.64x = 476,552,011.17
  5. Step 5: Solve for x
    x = 476,552,011.17/20,577.64
  6. Step 6: Final answer
    x = 23,158.74

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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.