Home / 26,885.36-40,330.08-7,163.84

Finding the Fourth Proportional to 26,885.36, 40,330.08 and 7,163.84

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Solution

The fourth proportional to 26,885.36, 40,330.08 and 7,163.84 is: 10,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,885.36 : 40,330.08 = 7,163.84 : x
  2. Step 2: Convert to fraction form
    26,885.36/40,330.08 = 7,163.84/x
  3. Step 3: Cross multiply
    26,885.36x = 40,330.08 × 7,163.84
  4. Step 4: Simplify right side
    26,885.36x = 288,918,240.31
  5. Step 5: Solve for x
    x = 288,918,240.31/26,885.36
  6. Step 6: Final answer
    x = 10,746.30

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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.