Home / 28,801.15-39,747.90-16,058.46

Finding the Fourth Proportional to 28,801.15, 39,747.90 and 16,058.46

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Solution

The fourth proportional to 28,801.15, 39,747.90 and 16,058.46 is: 22,161.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,801.15 : 39,747.90 = 16,058.46 : x
  2. Step 2: Convert to fraction form
    28,801.15/39,747.90 = 16,058.46/x
  3. Step 3: Cross multiply
    28,801.15x = 39,747.90 × 16,058.46
  4. Step 4: Simplify right side
    28,801.15x = 638,289,981.94
  5. Step 5: Solve for x
    x = 638,289,981.94/28,801.15
  6. Step 6: Final answer
    x = 22,161.97

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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.