Home / 19,267.81-28,902.31-5,227.78

Finding the Fourth Proportional to 19,267.81, 28,902.31 and 5,227.78

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Solution

The fourth proportional to 19,267.81, 28,902.31 and 5,227.78 is: 7,841.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.81 : 28,902.31 = 5,227.78 : x
  2. Step 2: Convert to fraction form
    19,267.81/28,902.31 = 5,227.78/x
  3. Step 3: Cross multiply
    19,267.81x = 28,902.31 × 5,227.78
  4. Step 4: Simplify right side
    19,267.81x = 151,094,941.23
  5. Step 5: Solve for x
    x = 151,094,941.23/19,267.81
  6. Step 6: Final answer
    x = 7,841.83

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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.