Home / 26,531.34-36,618.46-15,208.42

Finding the Fourth Proportional to 26,531.34, 36,618.46 and 15,208.42

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Solution

The fourth proportional to 26,531.34, 36,618.46 and 15,208.42 is: 20,990.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,531.34 : 36,618.46 = 15,208.42 : x
  2. Step 2: Convert to fraction form
    26,531.34/36,618.46 = 15,208.42/x
  3. Step 3: Cross multiply
    26,531.34x = 36,618.46 × 15,208.42
  4. Step 4: Simplify right side
    26,531.34x = 556,908,919.43
  5. Step 5: Solve for x
    x = 556,908,919.43/26,531.34
  6. Step 6: Final answer
    x = 20,990.61

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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.