Home / 21,975.86-30,326.77-11,904.27

Finding the Fourth Proportional to 21,975.86, 30,326.77 and 11,904.27

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Solution

The fourth proportional to 21,975.86, 30,326.77 and 11,904.27 is: 16,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,975.86 : 30,326.77 = 11,904.27 : x
  2. Step 2: Convert to fraction form
    21,975.86/30,326.77 = 11,904.27/x
  3. Step 3: Cross multiply
    21,975.86x = 30,326.77 × 11,904.27
  4. Step 4: Simplify right side
    21,975.86x = 361,018,058.31
  5. Step 5: Solve for x
    x = 361,018,058.31/21,975.86
  6. Step 6: Final answer
    x = 16,427.94

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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.