Home / 28,833.30-39,783.15-16,255.62

Finding the Fourth Proportional to 28,833.30, 39,783.15 and 16,255.62

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Solution

The fourth proportional to 28,833.30, 39,783.15 and 16,255.62 is: 22,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,833.30 : 39,783.15 = 16,255.62 : x
  2. Step 2: Convert to fraction form
    28,833.30/39,783.15 = 16,255.62/x
  3. Step 3: Cross multiply
    28,833.30x = 39,783.15 × 16,255.62
  4. Step 4: Simplify right side
    28,833.30x = 646,699,768.80
  5. Step 5: Solve for x
    x = 646,699,768.80/28,833.30
  6. Step 6: Final answer
    x = 22,428.92

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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.