Home / 26,650.84-39,968.70-7,930.12

Finding the Fourth Proportional to 26,650.84, 39,968.70 and 7,930.12

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Solution

The fourth proportional to 26,650.84, 39,968.70 and 7,930.12 is: 11,892.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,650.84 : 39,968.70 = 7,930.12 : x
  2. Step 2: Convert to fraction form
    26,650.84/39,968.70 = 7,930.12/x
  3. Step 3: Cross multiply
    26,650.84x = 39,968.70 × 7,930.12
  4. Step 4: Simplify right side
    26,650.84x = 316,956,587.24
  5. Step 5: Solve for x
    x = 316,956,587.24/26,650.84
  6. Step 6: Final answer
    x = 11,892.93

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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.