Home / 26,000.28-39,004.50-11,213.40

Finding the Fourth Proportional to 26,000.28, 39,004.50 and 11,213.40

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Solution

The fourth proportional to 26,000.28, 39,004.50 and 11,213.40 is: 16,821.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,000.28 : 39,004.50 = 11,213.40 : x
  2. Step 2: Convert to fraction form
    26,000.28/39,004.50 = 11,213.40/x
  3. Step 3: Cross multiply
    26,000.28x = 39,004.50 × 11,213.40
  4. Step 4: Simplify right side
    26,000.28x = 437,373,060.30
  5. Step 5: Solve for x
    x = 437,373,060.30/26,000.28
  6. Step 6: Final answer
    x = 16,821.86

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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.