Home / 25,803.72-35,616.50-15,199.47

Finding the Fourth Proportional to 25,803.72, 35,616.50 and 15,199.47

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Solution

The fourth proportional to 25,803.72, 35,616.50 and 15,199.47 is: 20,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,803.72 : 35,616.50 = 15,199.47 : x
  2. Step 2: Convert to fraction form
    25,803.72/35,616.50 = 15,199.47/x
  3. Step 3: Cross multiply
    25,803.72x = 35,616.50 × 15,199.47
  4. Step 4: Simplify right side
    25,803.72x = 541,351,923.26
  5. Step 5: Solve for x
    x = 541,351,923.26/25,803.72
  6. Step 6: Final answer
    x = 20,979.61

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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.