Home / 18,394.40-27,438.60-16,622.88

Finding the Fourth Proportional to 18,394.40, 27,438.60 and 16,622.88

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Solution

The fourth proportional to 18,394.40, 27,438.60 and 16,622.88 is: 24,796.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.40 : 27,438.60 = 16,622.88 : x
  2. Step 2: Convert to fraction form
    18,394.40/27,438.60 = 16,622.88/x
  3. Step 3: Cross multiply
    18,394.40x = 27,438.60 × 16,622.88
  4. Step 4: Simplify right side
    18,394.40x = 456,108,555.17
  5. Step 5: Solve for x
    x = 456,108,555.17/18,394.40
  6. Step 6: Final answer
    x = 24,796.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.