Home / 28,298.92-39,058.16-16,361.68

Finding the Fourth Proportional to 28,298.92, 39,058.16 and 16,361.68

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Solution

The fourth proportional to 28,298.92, 39,058.16 and 16,361.68 is: 22,582.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298.92 : 39,058.16 = 16,361.68 : x
  2. Step 2: Convert to fraction form
    28,298.92/39,058.16 = 16,361.68/x
  3. Step 3: Cross multiply
    28,298.92x = 39,058.16 × 16,361.68
  4. Step 4: Simplify right side
    28,298.92x = 639,057,115.31
  5. Step 5: Solve for x
    x = 639,057,115.31/28,298.92
  6. Step 6: Final answer
    x = 22,582.39

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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.