Home / 26,283.74-39,402.15-9,639.87

Finding the Fourth Proportional to 26,283.74, 39,402.15 and 9,639.87

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Solution

The fourth proportional to 26,283.74, 39,402.15 and 9,639.87 is: 14,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,283.74 : 39,402.15 = 9,639.87 : x
  2. Step 2: Convert to fraction form
    26,283.74/39,402.15 = 9,639.87/x
  3. Step 3: Cross multiply
    26,283.74x = 39,402.15 × 9,639.87
  4. Step 4: Simplify right side
    26,283.74x = 379,831,603.72
  5. Step 5: Solve for x
    x = 379,831,603.72/26,283.74
  6. Step 6: Final answer
    x = 14,451.20

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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.