Home / 26,685.41-36,822.11-15,350.58

Finding the Fourth Proportional to 26,685.41, 36,822.11 and 15,350.58

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Solution

The fourth proportional to 26,685.41, 36,822.11 and 15,350.58 is: 21,181.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,685.41 : 36,822.11 = 15,350.58 : x
  2. Step 2: Convert to fraction form
    26,685.41/36,822.11 = 15,350.58/x
  3. Step 3: Cross multiply
    26,685.41x = 36,822.11 × 15,350.58
  4. Step 4: Simplify right side
    26,685.41x = 565,240,668.57
  5. Step 5: Solve for x
    x = 565,240,668.57/26,685.41
  6. Step 6: Final answer
    x = 21,181.64

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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.