Home / 16,628.85-22,950.66-15,881.49

Finding the Fourth Proportional to 16,628.85, 22,950.66 and 15,881.49

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Solution

The fourth proportional to 16,628.85, 22,950.66 and 15,881.49 is: 21,919.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,628.85 : 22,950.66 = 15,881.49 : x
  2. Step 2: Convert to fraction form
    16,628.85/22,950.66 = 15,881.49/x
  3. Step 3: Cross multiply
    16,628.85x = 22,950.66 × 15,881.49
  4. Step 4: Simplify right side
    16,628.85x = 364,490,677.28
  5. Step 5: Solve for x
    x = 364,490,677.28/16,628.85
  6. Step 6: Final answer
    x = 21,919.18

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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.