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Finding the Fourth Proportional to 19,041.30, 28,564.74 and 5,894.82

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Solution

The fourth proportional to 19,041.30, 28,564.74 and 5,894.82 is: 8,843.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,041.30 : 28,564.74 = 5,894.82 : x
  2. Step 2: Convert to fraction form
    19,041.30/28,564.74 = 5,894.82/x
  3. Step 3: Cross multiply
    19,041.30x = 28,564.74 × 5,894.82
  4. Step 4: Simplify right side
    19,041.30x = 168,384,000.65
  5. Step 5: Solve for x
    x = 168,384,000.65/19,041.30
  6. Step 6: Final answer
    x = 8,843.09

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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.