Home / 18,438.40-27,584.70-16,000.30

Finding the Fourth Proportional to 18,438.40, 27,584.70 and 16,000.30

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Solution

The fourth proportional to 18,438.40, 27,584.70 and 16,000.30 is: 23,937.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438.40 : 27,584.70 = 16,000.30 : x
  2. Step 2: Convert to fraction form
    18,438.40/27,584.70 = 16,000.30/x
  3. Step 3: Cross multiply
    18,438.40x = 27,584.70 × 16,000.30
  4. Step 4: Simplify right side
    18,438.40x = 441,363,475.41
  5. Step 5: Solve for x
    x = 441,363,475.41/18,438.40
  6. Step 6: Final answer
    x = 23,937.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.