Home / 16,887.12-25,330.64-15,859.52

Finding the Fourth Proportional to 16,887.12, 25,330.64 and 15,859.52

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Solution

The fourth proportional to 16,887.12, 25,330.64 and 15,859.52 is: 23,789.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,887.12 : 25,330.64 = 15,859.52 : x
  2. Step 2: Convert to fraction form
    16,887.12/25,330.64 = 15,859.52/x
  3. Step 3: Cross multiply
    16,887.12x = 25,330.64 × 15,859.52
  4. Step 4: Simplify right side
    16,887.12x = 401,731,823.22
  5. Step 5: Solve for x
    x = 401,731,823.22/16,887.12
  6. Step 6: Final answer
    x = 23,789.25

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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.