Home / 28,256.94-39,001.65-16,327.20

Finding the Fourth Proportional to 28,256.94, 39,001.65 and 16,327.20

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Solution

The fourth proportional to 28,256.94, 39,001.65 and 16,327.20 is: 22,535.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256.94 : 39,001.65 = 16,327.20 : x
  2. Step 2: Convert to fraction form
    28,256.94/39,001.65 = 16,327.20/x
  3. Step 3: Cross multiply
    28,256.94x = 39,001.65 × 16,327.20
  4. Step 4: Simplify right side
    28,256.94x = 636,787,739.88
  5. Step 5: Solve for x
    x = 636,787,739.88/28,256.94
  6. Step 6: Final answer
    x = 22,535.62

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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.