Home / 27,030.09-40,550.18-8,309.73

Finding the Fourth Proportional to 27,030.09, 40,550.18 and 8,309.73

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Solution

The fourth proportional to 27,030.09, 40,550.18 and 8,309.73 is: 12,466.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,030.09 : 40,550.18 = 8,309.73 : x
  2. Step 2: Convert to fraction form
    27,030.09/40,550.18 = 8,309.73/x
  3. Step 3: Cross multiply
    27,030.09x = 40,550.18 × 8,309.73
  4. Step 4: Simplify right side
    27,030.09x = 336,961,047.25
  5. Step 5: Solve for x
    x = 336,961,047.25/27,030.09
  6. Step 6: Final answer
    x = 12,466.15

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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.