Home / 19,647.09-27,108.56-16,473.21

Finding the Fourth Proportional to 19,647.09, 27,108.56 and 16,473.21

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Solution

The fourth proportional to 19,647.09, 27,108.56 and 16,473.21 is: 22,729.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.09 : 27,108.56 = 16,473.21 : x
  2. Step 2: Convert to fraction form
    19,647.09/27,108.56 = 16,473.21/x
  3. Step 3: Cross multiply
    19,647.09x = 27,108.56 × 16,473.21
  4. Step 4: Simplify right side
    19,647.09x = 446,565,001.68
  5. Step 5: Solve for x
    x = 446,565,001.68/19,647.09
  6. Step 6: Final answer
    x = 22,729.32

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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.