Home / 26,622.40-39,933.60-12,577.81

Finding the Fourth Proportional to 26,622.40, 39,933.60 and 12,577.81

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Solution

The fourth proportional to 26,622.40, 39,933.60 and 12,577.81 is: 18,866.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,622.40 : 39,933.60 = 12,577.81 : x
  2. Step 2: Convert to fraction form
    26,622.40/39,933.60 = 12,577.81/x
  3. Step 3: Cross multiply
    26,622.40x = 39,933.60 × 12,577.81
  4. Step 4: Simplify right side
    26,622.40x = 502,277,233.42
  5. Step 5: Solve for x
    x = 502,277,233.42/26,622.40
  6. Step 6: Final answer
    x = 18,866.72

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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.