Home / 28,801.48-39,747.54-16,227.40

Finding the Fourth Proportional to 28,801.48, 39,747.54 and 16,227.40

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Solution

The fourth proportional to 28,801.48, 39,747.54 and 16,227.40 is: 22,394.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,801.48 : 39,747.54 = 16,227.40 : x
  2. Step 2: Convert to fraction form
    28,801.48/39,747.54 = 16,227.40/x
  3. Step 3: Cross multiply
    28,801.48x = 39,747.54 × 16,227.40
  4. Step 4: Simplify right side
    28,801.48x = 644,999,230.60
  5. Step 5: Solve for x
    x = 644,999,230.60/28,801.48
  6. Step 6: Final answer
    x = 22,394.66

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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.