Home / 26,127.99-39,191.60-6,406.70

Finding the Fourth Proportional to 26,127.99, 39,191.60 and 6,406.70

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Solution

The fourth proportional to 26,127.99, 39,191.60 and 6,406.70 is: 9,609.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,127.99 : 39,191.60 = 6,406.70 : x
  2. Step 2: Convert to fraction form
    26,127.99/39,191.60 = 6,406.70/x
  3. Step 3: Cross multiply
    26,127.99x = 39,191.60 × 6,406.70
  4. Step 4: Simplify right side
    26,127.99x = 251,088,643.78
  5. Step 5: Solve for x
    x = 251,088,643.78/26,127.99
  6. Step 6: Final answer
    x = 9,609.95

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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.