Home / 26,382.86-39,576.34-7,663.20

Finding the Fourth Proportional to 26,382.86, 39,576.34 and 7,663.20

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Solution

The fourth proportional to 26,382.86, 39,576.34 and 7,663.20 is: 11,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,382.86 : 39,576.34 = 7,663.20 : x
  2. Step 2: Convert to fraction form
    26,382.86/39,576.34 = 7,663.20/x
  3. Step 3: Cross multiply
    26,382.86x = 39,576.34 × 7,663.20
  4. Step 4: Simplify right side
    26,382.86x = 303,281,408.69
  5. Step 5: Solve for x
    x = 303,281,408.69/26,382.86
  6. Step 6: Final answer
    x = 11,495.40

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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.