Home / 26,364.15-39,540.02-7,639.25

Finding the Fourth Proportional to 26,364.15, 39,540.02 and 7,639.25

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Solution

The fourth proportional to 26,364.15, 39,540.02 and 7,639.25 is: 11,457.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,364.15 : 39,540.02 = 7,639.25 : x
  2. Step 2: Convert to fraction form
    26,364.15/39,540.02 = 7,639.25/x
  3. Step 3: Cross multiply
    26,364.15x = 39,540.02 × 7,639.25
  4. Step 4: Simplify right side
    26,364.15x = 302,055,861.89
  5. Step 5: Solve for x
    x = 302,055,861.89/26,364.15
  6. Step 6: Final answer
    x = 11,457.07

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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.