Home / 26,913.00-40,369.52-12,869.71

Finding the Fourth Proportional to 26,913.00, 40,369.52 and 12,869.71

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Solution

The fourth proportional to 26,913.00, 40,369.52 and 12,869.71 is: 19,304.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,913.00 : 40,369.52 = 12,869.71 : x
  2. Step 2: Convert to fraction form
    26,913.00/40,369.52 = 12,869.71/x
  3. Step 3: Cross multiply
    26,913.00x = 40,369.52 × 12,869.71
  4. Step 4: Simplify right side
    26,913.00x = 519,543,950.89
  5. Step 5: Solve for x
    x = 519,543,950.89/26,913.00
  6. Step 6: Final answer
    x = 19,304.58

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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.