Home / 19,977.36-27,564.48-11,589.36

Finding the Fourth Proportional to 19,977.36, 27,564.48 and 11,589.36

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Solution

The fourth proportional to 19,977.36, 27,564.48 and 11,589.36 is: 15,990.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,977.36 : 27,564.48 = 11,589.36 : x
  2. Step 2: Convert to fraction form
    19,977.36/27,564.48 = 11,589.36/x
  3. Step 3: Cross multiply
    19,977.36x = 27,564.48 × 11,589.36
  4. Step 4: Simplify right side
    19,977.36x = 319,454,681.93
  5. Step 5: Solve for x
    x = 319,454,681.93/19,977.36
  6. Step 6: Final answer
    x = 15,990.84

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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.