Home / 16,628.49-22,956.84-15,682.62

Finding the Fourth Proportional to 16,628.49, 22,956.84 and 15,682.62

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Solution

The fourth proportional to 16,628.49, 22,956.84 and 15,682.62 is: 21,651.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,628.49 : 22,956.84 = 15,682.62 : x
  2. Step 2: Convert to fraction form
    16,628.49/22,956.84 = 15,682.62/x
  3. Step 3: Cross multiply
    16,628.49x = 22,956.84 × 15,682.62
  4. Step 4: Simplify right side
    16,628.49x = 360,023,398.12
  5. Step 5: Solve for x
    x = 360,023,398.12/16,628.49
  6. Step 6: Final answer
    x = 21,651.00

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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.