Home / 26,872.07-40,293.59-20,616.62

Finding the Fourth Proportional to 26,872.07, 40,293.59 and 20,616.62

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Solution

The fourth proportional to 26,872.07, 40,293.59 and 20,616.62 is: 30,913.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,872.07 : 40,293.59 = 20,616.62 : x
  2. Step 2: Convert to fraction form
    26,872.07/40,293.59 = 20,616.62/x
  3. Step 3: Cross multiply
    26,872.07x = 40,293.59 × 20,616.62
  4. Step 4: Simplify right side
    26,872.07x = 830,717,328.91
  5. Step 5: Solve for x
    x = 830,717,328.91/26,872.07
  6. Step 6: Final answer
    x = 30,913.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.