Home / 19,590.60-27,034.95-10,638.03

Finding the Fourth Proportional to 19,590.60, 27,034.95 and 10,638.03

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Solution

The fourth proportional to 19,590.60, 27,034.95 and 10,638.03 is: 14,680.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.60 : 27,034.95 = 10,638.03 : x
  2. Step 2: Convert to fraction form
    19,590.60/27,034.95 = 10,638.03/x
  3. Step 3: Cross multiply
    19,590.60x = 27,034.95 × 10,638.03
  4. Step 4: Simplify right side
    19,590.60x = 287,598,609.15
  5. Step 5: Solve for x
    x = 287,598,609.15/19,590.60
  6. Step 6: Final answer
    x = 14,680.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.