Home / 26,720.76-40,087.98-8,000.72

Finding the Fourth Proportional to 26,720.76, 40,087.98 and 8,000.72

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Solution

The fourth proportional to 26,720.76, 40,087.98 and 8,000.72 is: 12,003.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720.76 : 40,087.98 = 8,000.72 : x
  2. Step 2: Convert to fraction form
    26,720.76/40,087.98 = 8,000.72/x
  3. Step 3: Cross multiply
    26,720.76x = 40,087.98 × 8,000.72
  4. Step 4: Simplify right side
    26,720.76x = 320,732,703.35
  5. Step 5: Solve for x
    x = 320,732,703.35/26,720.76
  6. Step 6: Final answer
    x = 12,003.13

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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.