Home / 19,217.80-28,828.62-5,890.64

Finding the Fourth Proportional to 19,217.80, 28,828.62 and 5,890.64

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Solution

The fourth proportional to 19,217.80, 28,828.62 and 5,890.64 is: 8,836.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.80 : 28,828.62 = 5,890.64 : x
  2. Step 2: Convert to fraction form
    19,217.80/28,828.62 = 5,890.64/x
  3. Step 3: Cross multiply
    19,217.80x = 28,828.62 × 5,890.64
  4. Step 4: Simplify right side
    19,217.80x = 169,819,022.12
  5. Step 5: Solve for x
    x = 169,819,022.12/19,217.80
  6. Step 6: Final answer
    x = 8,836.55

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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.