Home / 25,040.86-34,556.40-15,609.46

Finding the Fourth Proportional to 25,040.86, 34,556.40 and 15,609.46

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Solution

The fourth proportional to 25,040.86, 34,556.40 and 15,609.46 is: 21,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,040.86 : 34,556.40 = 15,609.46 : x
  2. Step 2: Convert to fraction form
    25,040.86/34,556.40 = 15,609.46/x
  3. Step 3: Cross multiply
    25,040.86x = 34,556.40 × 15,609.46
  4. Step 4: Simplify right side
    25,040.86x = 539,406,743.54
  5. Step 5: Solve for x
    x = 539,406,743.54/25,040.86
  6. Step 6: Final answer
    x = 21,541.06

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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.