Home / 26,203.59-36,203.36-18,281.18

Finding the Fourth Proportional to 26,203.59, 36,203.36 and 18,281.18

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Solution

The fourth proportional to 26,203.59, 36,203.36 and 18,281.18 is: 25,257.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,203.59 : 36,203.36 = 18,281.18 : x
  2. Step 2: Convert to fraction form
    26,203.59/36,203.36 = 18,281.18/x
  3. Step 3: Cross multiply
    26,203.59x = 36,203.36 × 18,281.18
  4. Step 4: Simplify right side
    26,203.59x = 661,840,139.87
  5. Step 5: Solve for x
    x = 661,840,139.87/26,203.59
  6. Step 6: Final answer
    x = 25,257.61

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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.