Home / 26,116.71-39,190.63-9,478.04

Finding the Fourth Proportional to 26,116.71, 39,190.63 and 9,478.04

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Solution

The fourth proportional to 26,116.71, 39,190.63 and 9,478.04 is: 14,222.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,116.71 : 39,190.63 = 9,478.04 : x
  2. Step 2: Convert to fraction form
    26,116.71/39,190.63 = 9,478.04/x
  3. Step 3: Cross multiply
    26,116.71x = 39,190.63 × 9,478.04
  4. Step 4: Simplify right side
    26,116.71x = 371,450,358.77
  5. Step 5: Solve for x
    x = 371,450,358.77/26,116.71
  6. Step 6: Final answer
    x = 14,222.71

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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.