Home / 19,042.08-28,562.04-5,190

Finding the Fourth Proportional to 19,042.08, 28,562.04 and 5,190

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Solution

The fourth proportional to 19,042.08, 28,562.04 and 5,190 is: 7,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.08 : 28,562.04 = 5,190 : x
  2. Step 2: Convert to fraction form
    19,042.08/28,562.04 = 5,190/x
  3. Step 3: Cross multiply
    19,042.08x = 28,562.04 × 5,190
  4. Step 4: Simplify right side
    19,042.08x = 148,236,987.60
  5. Step 5: Solve for x
    x = 148,236,987.60/19,042.08
  6. Step 6: Final answer
    x = 7,784.71

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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.