Home / 20,697.27-31,036.86-5,902.89

Finding the Fourth Proportional to 20,697.27, 31,036.86 and 5,902.89

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Solution

The fourth proportional to 20,697.27, 31,036.86 and 5,902.89 is: 8,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697.27 : 31,036.86 = 5,902.89 : x
  2. Step 2: Convert to fraction form
    20,697.27/31,036.86 = 5,902.89/x
  3. Step 3: Cross multiply
    20,697.27x = 31,036.86 × 5,902.89
  4. Step 4: Simplify right side
    20,697.27x = 183,207,170.53
  5. Step 5: Solve for x
    x = 183,207,170.53/20,697.27
  6. Step 6: Final answer
    x = 8,851.76

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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.