Home / 25,366.73-35,020.16-15,297.71

Finding the Fourth Proportional to 25,366.73, 35,020.16 and 15,297.71

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Solution

The fourth proportional to 25,366.73, 35,020.16 and 15,297.71 is: 21,119.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,366.73 : 35,020.16 = 15,297.71 : x
  2. Step 2: Convert to fraction form
    25,366.73/35,020.16 = 15,297.71/x
  3. Step 3: Cross multiply
    25,366.73x = 35,020.16 × 15,297.71
  4. Step 4: Simplify right side
    25,366.73x = 535,728,000.24
  5. Step 5: Solve for x
    x = 535,728,000.24/25,366.73
  6. Step 6: Final answer
    x = 21,119.32

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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.