Home / 26,885.76-40,324.08-7,166.40

Finding the Fourth Proportional to 26,885.76, 40,324.08 and 7,166.40

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Solution

The fourth proportional to 26,885.76, 40,324.08 and 7,166.40 is: 10,748.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,885.76 : 40,324.08 = 7,166.40 : x
  2. Step 2: Convert to fraction form
    26,885.76/40,324.08 = 7,166.40/x
  3. Step 3: Cross multiply
    26,885.76x = 40,324.08 × 7,166.40
  4. Step 4: Simplify right side
    26,885.76x = 288,978,486.91
  5. Step 5: Solve for x
    x = 288,978,486.91/26,885.76
  6. Step 6: Final answer
    x = 10,748.38

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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.