Home / 26,775.36-40,171.68-8,307.36

Finding the Fourth Proportional to 26,775.36, 40,171.68 and 8,307.36

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Solution

The fourth proportional to 26,775.36, 40,171.68 and 8,307.36 is: 12,463.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,775.36 : 40,171.68 = 8,307.36 : x
  2. Step 2: Convert to fraction form
    26,775.36/40,171.68 = 8,307.36/x
  3. Step 3: Cross multiply
    26,775.36x = 40,171.68 × 8,307.36
  4. Step 4: Simplify right side
    26,775.36x = 333,720,607.56
  5. Step 5: Solve for x
    x = 333,720,607.56/26,775.36
  6. Step 6: Final answer
    x = 12,463.72

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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.