Home / 26,098.21-39,143.79-7,379.71

Finding the Fourth Proportional to 26,098.21, 39,143.79 and 7,379.71

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Solution

The fourth proportional to 26,098.21, 39,143.79 and 7,379.71 is: 11,068.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,098.21 : 39,143.79 = 7,379.71 : x
  2. Step 2: Convert to fraction form
    26,098.21/39,143.79 = 7,379.71/x
  3. Step 3: Cross multiply
    26,098.21x = 39,143.79 × 7,379.71
  4. Step 4: Simplify right side
    26,098.21x = 288,869,818.50
  5. Step 5: Solve for x
    x = 288,869,818.50/26,098.21
  6. Step 6: Final answer
    x = 11,068.57

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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.