Home / 19,975.04-27,565.44-11,591.36

Finding the Fourth Proportional to 19,975.04, 27,565.44 and 11,591.36

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Solution

The fourth proportional to 19,975.04, 27,565.44 and 11,591.36 is: 15,996.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,975.04 : 27,565.44 = 11,591.36 : x
  2. Step 2: Convert to fraction form
    19,975.04/27,565.44 = 11,591.36/x
  3. Step 3: Cross multiply
    19,975.04x = 27,565.44 × 11,591.36
  4. Step 4: Simplify right side
    19,975.04x = 319,520,938.60
  5. Step 5: Solve for x
    x = 319,520,938.60/19,975.04
  6. Step 6: Final answer
    x = 15,996.01

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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.