Home / 25,734.69-35,515.26-15,661.53

Finding the Fourth Proportional to 25,734.69, 35,515.26 and 15,661.53

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Solution

The fourth proportional to 25,734.69, 35,515.26 and 15,661.53 is: 21,613.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,734.69 : 35,515.26 = 15,661.53 : x
  2. Step 2: Convert to fraction form
    25,734.69/35,515.26 = 15,661.53/x
  3. Step 3: Cross multiply
    25,734.69x = 35,515.26 × 15,661.53
  4. Step 4: Simplify right side
    25,734.69x = 556,223,309.95
  5. Step 5: Solve for x
    x = 556,223,309.95/25,734.69
  6. Step 6: Final answer
    x = 21,613.76

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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.