Home / 19,841.56-27,328.80-14,789.60

Finding the Fourth Proportional to 19,841.56, 27,328.80 and 14,789.60

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Solution

The fourth proportional to 19,841.56, 27,328.80 and 14,789.60 is: 20,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841.56 : 27,328.80 = 14,789.60 : x
  2. Step 2: Convert to fraction form
    19,841.56/27,328.80 = 14,789.60/x
  3. Step 3: Cross multiply
    19,841.56x = 27,328.80 × 14,789.60
  4. Step 4: Simplify right side
    19,841.56x = 404,182,020.48
  5. Step 5: Solve for x
    x = 404,182,020.48/19,841.56
  6. Step 6: Final answer
    x = 20,370.48

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1.5x scale

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.