Home / 26,829.21-40,234.70-9,294.95

Finding the Fourth Proportional to 26,829.21, 40,234.70 and 9,294.95

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Solution

The fourth proportional to 26,829.21, 40,234.70 and 9,294.95 is: 13,939.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,829.21 : 40,234.70 = 9,294.95 : x
  2. Step 2: Convert to fraction form
    26,829.21/40,234.70 = 9,294.95/x
  3. Step 3: Cross multiply
    26,829.21x = 40,234.70 × 9,294.95
  4. Step 4: Simplify right side
    26,829.21x = 373,979,346.83
  5. Step 5: Solve for x
    x = 373,979,346.83/26,829.21
  6. Step 6: Final answer
    x = 13,939.26

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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.