Home / 26,822.52-40,234.86-12,775.32

Finding the Fourth Proportional to 26,822.52, 40,234.86 and 12,775.32

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Solution

The fourth proportional to 26,822.52, 40,234.86 and 12,775.32 is: 19,163.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,822.52 : 40,234.86 = 12,775.32 : x
  2. Step 2: Convert to fraction form
    26,822.52/40,234.86 = 12,775.32/x
  3. Step 3: Cross multiply
    26,822.52x = 40,234.86 × 12,775.32
  4. Step 4: Simplify right side
    26,822.52x = 514,013,211.66
  5. Step 5: Solve for x
    x = 514,013,211.66/26,822.52
  6. Step 6: Final answer
    x = 19,163.49

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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.