Home / 22,021.82-30,415.36-14,501.78

Finding the Fourth Proportional to 22,021.82, 30,415.36 and 14,501.78

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Solution

The fourth proportional to 22,021.82, 30,415.36 and 14,501.78 is: 20,029.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,021.82 : 30,415.36 = 14,501.78 : x
  2. Step 2: Convert to fraction form
    22,021.82/30,415.36 = 14,501.78/x
  3. Step 3: Cross multiply
    22,021.82x = 30,415.36 × 14,501.78
  4. Step 4: Simplify right side
    22,021.82x = 441,076,859.34
  5. Step 5: Solve for x
    x = 441,076,859.34/22,021.82
  6. Step 6: Final answer
    x = 20,029.08

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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.