Home / 25,259.13-34,857.87-13,929.09

Finding the Fourth Proportional to 25,259.13, 34,857.87 and 13,929.09

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Solution

The fourth proportional to 25,259.13, 34,857.87 and 13,929.09 is: 19,222.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,259.13 : 34,857.87 = 13,929.09 : x
  2. Step 2: Convert to fraction form
    25,259.13/34,857.87 = 13,929.09/x
  3. Step 3: Cross multiply
    25,259.13x = 34,857.87 × 13,929.09
  4. Step 4: Simplify right side
    25,259.13x = 485,538,408.44
  5. Step 5: Solve for x
    x = 485,538,408.44/25,259.13
  6. Step 6: Final answer
    x = 19,222.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.