Home / 25,118.74-34,664.30-13,789.30

Finding the Fourth Proportional to 25,118.74, 34,664.30 and 13,789.30

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Solution

The fourth proportional to 25,118.74, 34,664.30 and 13,789.30 is: 19,029.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,118.74 : 34,664.30 = 13,789.30 : x
  2. Step 2: Convert to fraction form
    25,118.74/34,664.30 = 13,789.30/x
  3. Step 3: Cross multiply
    25,118.74x = 34,664.30 × 13,789.30
  4. Step 4: Simplify right side
    25,118.74x = 477,996,431.99
  5. Step 5: Solve for x
    x = 477,996,431.99/25,118.74
  6. Step 6: Final answer
    x = 19,029.47

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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.