Home / 19,581.22-27,022.11-10,628.72

Finding the Fourth Proportional to 19,581.22, 27,022.11 and 10,628.72

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Solution

The fourth proportional to 19,581.22, 27,022.11 and 10,628.72 is: 14,667.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.22 : 27,022.11 = 10,628.72 : x
  2. Step 2: Convert to fraction form
    19,581.22/27,022.11 = 10,628.72/x
  3. Step 3: Cross multiply
    19,581.22x = 27,022.11 × 10,628.72
  4. Step 4: Simplify right side
    19,581.22x = 287,210,508.55
  5. Step 5: Solve for x
    x = 287,210,508.55/19,581.22
  6. Step 6: Final answer
    x = 14,667.66

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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.