Home / 26,603.79-39,911.46-13,283.95

Finding the Fourth Proportional to 26,603.79, 39,911.46 and 13,283.95

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Solution

The fourth proportional to 26,603.79, 39,911.46 and 13,283.95 is: 19,928.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,603.79 : 39,911.46 = 13,283.95 : x
  2. Step 2: Convert to fraction form
    26,603.79/39,911.46 = 13,283.95/x
  3. Step 3: Cross multiply
    26,603.79x = 39,911.46 × 13,283.95
  4. Step 4: Simplify right side
    26,603.79x = 530,181,839.07
  5. Step 5: Solve for x
    x = 530,181,839.07/26,603.79
  6. Step 6: Final answer
    x = 19,928.81

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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.