Home / 26,120.61-36,033.66-15,502.73

Finding the Fourth Proportional to 26,120.61, 36,033.66 and 15,502.73

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Solution

The fourth proportional to 26,120.61, 36,033.66 and 15,502.73 is: 21,386.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,120.61 : 36,033.66 = 15,502.73 : x
  2. Step 2: Convert to fraction form
    26,120.61/36,033.66 = 15,502.73/x
  3. Step 3: Cross multiply
    26,120.61x = 36,033.66 × 15,502.73
  4. Step 4: Simplify right side
    26,120.61x = 558,619,921.72
  5. Step 5: Solve for x
    x = 558,619,921.72/26,120.61
  6. Step 6: Final answer
    x = 21,386.17

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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.