Home / 21,857.36-32,661.60-16,412.22

Finding the Fourth Proportional to 21,857.36, 32,661.60 and 16,412.22

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Solution

The fourth proportional to 21,857.36, 32,661.60 and 16,412.22 is: 24,524.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,857.36 : 32,661.60 = 16,412.22 : x
  2. Step 2: Convert to fraction form
    21,857.36/32,661.60 = 16,412.22/x
  3. Step 3: Cross multiply
    21,857.36x = 32,661.60 × 16,412.22
  4. Step 4: Simplify right side
    21,857.36x = 536,049,364.75
  5. Step 5: Solve for x
    x = 536,049,364.75/21,857.36
  6. Step 6: Final answer
    x = 24,524.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.