Home / 26,905.42-40,358.06-12,822.76

Finding the Fourth Proportional to 26,905.42, 40,358.06 and 12,822.76

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Solution

The fourth proportional to 26,905.42, 40,358.06 and 12,822.76 is: 19,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,905.42 : 40,358.06 = 12,822.76 : x
  2. Step 2: Convert to fraction form
    26,905.42/40,358.06 = 12,822.76/x
  3. Step 3: Cross multiply
    26,905.42x = 40,358.06 × 12,822.76
  4. Step 4: Simplify right side
    26,905.42x = 517,501,717.45
  5. Step 5: Solve for x
    x = 517,501,717.45/26,905.42
  6. Step 6: Final answer
    x = 19,234.11

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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.