Home / 26,627.30-39,899.90-13,102.95

Finding the Fourth Proportional to 26,627.30, 39,899.90 and 13,102.95

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Solution

The fourth proportional to 26,627.30, 39,899.90 and 13,102.95 is: 19,634.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,627.30 : 39,899.90 = 13,102.95 : x
  2. Step 2: Convert to fraction form
    26,627.30/39,899.90 = 13,102.95/x
  3. Step 3: Cross multiply
    26,627.30x = 39,899.90 × 13,102.95
  4. Step 4: Simplify right side
    26,627.30x = 522,806,329.19
  5. Step 5: Solve for x
    x = 522,806,329.19/26,627.30
  6. Step 6: Final answer
    x = 19,634.22

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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.