Home / 25,525.85-35,226.45-15,456.15

Finding the Fourth Proportional to 25,525.85, 35,226.45 and 15,456.15

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Solution

The fourth proportional to 25,525.85, 35,226.45 and 15,456.15 is: 21,329.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,525.85 : 35,226.45 = 15,456.15 : x
  2. Step 2: Convert to fraction form
    25,525.85/35,226.45 = 15,456.15/x
  3. Step 3: Cross multiply
    25,525.85x = 35,226.45 × 15,456.15
  4. Step 4: Simplify right side
    25,525.85x = 544,465,295.17
  5. Step 5: Solve for x
    x = 544,465,295.17/25,525.85
  6. Step 6: Final answer
    x = 21,329.96

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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.