Home / 16,878.56-25,318.07-15,851.13

Finding the Fourth Proportional to 16,878.56, 25,318.07 and 15,851.13

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Solution

The fourth proportional to 16,878.56, 25,318.07 and 15,851.13 is: 23,776.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.56 : 25,318.07 = 15,851.13 : x
  2. Step 2: Convert to fraction form
    16,878.56/25,318.07 = 15,851.13/x
  3. Step 3: Cross multiply
    16,878.56x = 25,318.07 × 15,851.13
  4. Step 4: Simplify right side
    16,878.56x = 401,320,018.92
  5. Step 5: Solve for x
    x = 401,320,018.92/16,878.56
  6. Step 6: Final answer
    x = 23,776.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.