Home / 18,886.64-28,442.38-16,450.88

Finding the Fourth Proportional to 18,886.64, 28,442.38 and 16,450.88

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Solution

The fourth proportional to 18,886.64, 28,442.38 and 16,450.88 is: 24,774.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,886.64 : 28,442.38 = 16,450.88 : x
  2. Step 2: Convert to fraction form
    18,886.64/28,442.38 = 16,450.88/x
  3. Step 3: Cross multiply
    18,886.64x = 28,442.38 × 16,450.88
  4. Step 4: Simplify right side
    18,886.64x = 467,901,996.96
  5. Step 5: Solve for x
    x = 467,901,996.96/18,886.64
  6. Step 6: Final answer
    x = 24,774.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.