Home / 28,484.22-39,307.03-16,383.78

Finding the Fourth Proportional to 28,484.22, 39,307.03 and 16,383.78

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Solution

The fourth proportional to 28,484.22, 39,307.03 and 16,383.78 is: 22,608.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,484.22 : 39,307.03 = 16,383.78 : x
  2. Step 2: Convert to fraction form
    28,484.22/39,307.03 = 16,383.78/x
  3. Step 3: Cross multiply
    28,484.22x = 39,307.03 × 16,383.78
  4. Step 4: Simplify right side
    28,484.22x = 643,997,731.97
  5. Step 5: Solve for x
    x = 643,997,731.97/28,484.22
  6. Step 6: Final answer
    x = 22,608.93

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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.