Home / 28,902.48-39,886.20-16,326.96

Finding the Fourth Proportional to 28,902.48, 39,886.20 and 16,326.96

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Solution

The fourth proportional to 28,902.48, 39,886.20 and 16,326.96 is: 22,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902.48 : 39,886.20 = 16,326.96 : x
  2. Step 2: Convert to fraction form
    28,902.48/39,886.20 = 16,326.96/x
  3. Step 3: Cross multiply
    28,902.48x = 39,886.20 × 16,326.96
  4. Step 4: Simplify right side
    28,902.48x = 651,220,391.95
  5. Step 5: Solve for x
    x = 651,220,391.95/28,902.48
  6. Step 6: Final answer
    x = 22,531.64

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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.