Home / 25,199.48-34,775.31-13,869.79

Finding the Fourth Proportional to 25,199.48, 34,775.31 and 13,869.79

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Solution

The fourth proportional to 25,199.48, 34,775.31 and 13,869.79 is: 19,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,199.48 : 34,775.31 = 13,869.79 : x
  2. Step 2: Convert to fraction form
    25,199.48/34,775.31 = 13,869.79/x
  3. Step 3: Cross multiply
    25,199.48x = 34,775.31 × 13,869.79
  4. Step 4: Simplify right side
    25,199.48x = 482,326,246.88
  5. Step 5: Solve for x
    x = 482,326,246.88/25,199.48
  6. Step 6: Final answer
    x = 19,140.33

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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.