Home / 26,669.83-40,013.39-12,819.91

Finding the Fourth Proportional to 26,669.83, 40,013.39 and 12,819.91

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Solution

The fourth proportional to 26,669.83, 40,013.39 and 12,819.91 is: 19,234.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,669.83 : 40,013.39 = 12,819.91 : x
  2. Step 2: Convert to fraction form
    26,669.83/40,013.39 = 12,819.91/x
  3. Step 3: Cross multiply
    26,669.83x = 40,013.39 × 12,819.91
  4. Step 4: Simplify right side
    26,669.83x = 512,968,058.59
  5. Step 5: Solve for x
    x = 512,968,058.59/26,669.83
  6. Step 6: Final answer
    x = 19,234.02

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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.