Home / 25,520.27-35,218.69-15,450.53

Finding the Fourth Proportional to 25,520.27, 35,218.69 and 15,450.53

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Solution

The fourth proportional to 25,520.27, 35,218.69 and 15,450.53 is: 21,322.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,520.27 : 35,218.69 = 15,450.53 : x
  2. Step 2: Convert to fraction form
    25,520.27/35,218.69 = 15,450.53/x
  3. Step 3: Cross multiply
    25,520.27x = 35,218.69 × 15,450.53
  4. Step 4: Simplify right side
    25,520.27x = 544,147,211.69
  5. Step 5: Solve for x
    x = 544,147,211.69/25,520.27
  6. Step 6: Final answer
    x = 21,322.16

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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.