Home / 25,405.73-38,097.57-13,556.86

Finding the Fourth Proportional to 25,405.73, 38,097.57 and 13,556.86

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Solution

The fourth proportional to 25,405.73, 38,097.57 and 13,556.86 is: 20,329.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,405.73 : 38,097.57 = 13,556.86 : x
  2. Step 2: Convert to fraction form
    25,405.73/38,097.57 = 13,556.86/x
  3. Step 3: Cross multiply
    25,405.73x = 38,097.57 × 13,556.86
  4. Step 4: Simplify right side
    25,405.73x = 516,483,422.83
  5. Step 5: Solve for x
    x = 516,483,422.83/25,405.73
  6. Step 6: Final answer
    x = 20,329.41

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1.5x scale

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.