Home / 16,859.32-23,276.82-15,087.88

Finding the Fourth Proportional to 16,859.32, 23,276.82 and 15,087.88

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Solution

The fourth proportional to 16,859.32, 23,276.82 and 15,087.88 is: 20,831.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.32 : 23,276.82 = 15,087.88 : x
  2. Step 2: Convert to fraction form
    16,859.32/23,276.82 = 15,087.88/x
  3. Step 3: Cross multiply
    16,859.32x = 23,276.82 × 15,087.88
  4. Step 4: Simplify right side
    16,859.32x = 351,197,866.94
  5. Step 5: Solve for x
    x = 351,197,866.94/16,859.32
  6. Step 6: Final answer
    x = 20,831.08

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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.