Home / 26,098.81-39,148.21-7,630.81

Finding the Fourth Proportional to 26,098.81, 39,148.21 and 7,630.81

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Solution

The fourth proportional to 26,098.81, 39,148.21 and 7,630.81 is: 11,446.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,098.81 : 39,148.21 = 7,630.81 : x
  2. Step 2: Convert to fraction form
    26,098.81/39,148.21 = 7,630.81/x
  3. Step 3: Cross multiply
    26,098.81x = 39,148.21 × 7,630.81
  4. Step 4: Simplify right side
    26,098.81x = 298,732,552.35
  5. Step 5: Solve for x
    x = 298,732,552.35/26,098.81
  6. Step 6: Final answer
    x = 11,446.21

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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.