Home / 26,669.58-40,013.01-12,819.66

Finding the Fourth Proportional to 26,669.58, 40,013.01 and 12,819.66

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Solution

The fourth proportional to 26,669.58, 40,013.01 and 12,819.66 is: 19,233.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,669.58 : 40,013.01 = 12,819.66 : x
  2. Step 2: Convert to fraction form
    26,669.58/40,013.01 = 12,819.66/x
  3. Step 3: Cross multiply
    26,669.58x = 40,013.01 × 12,819.66
  4. Step 4: Simplify right side
    26,669.58x = 512,953,183.78
  5. Step 5: Solve for x
    x = 512,953,183.78/26,669.58
  6. Step 6: Final answer
    x = 19,233.64

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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.