Home / 19,623.78-27,080.87-10,671.28

Finding the Fourth Proportional to 19,623.78, 27,080.87 and 10,671.28

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Solution

The fourth proportional to 19,623.78, 27,080.87 and 10,671.28 is: 14,726.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.78 : 27,080.87 = 10,671.28 : x
  2. Step 2: Convert to fraction form
    19,623.78/27,080.87 = 10,671.28/x
  3. Step 3: Cross multiply
    19,623.78x = 27,080.87 × 10,671.28
  4. Step 4: Simplify right side
    19,623.78x = 288,987,425.36
  5. Step 5: Solve for x
    x = 288,987,425.36/19,623.78
  6. Step 6: Final answer
    x = 14,726.39

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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.