Home / 28,833.19-39,788.90-16,904.48

Finding the Fourth Proportional to 28,833.19, 39,788.90 and 16,904.48

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Solution

The fourth proportional to 28,833.19, 39,788.90 and 16,904.48 is: 23,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,833.19 : 39,788.90 = 16,904.48 : x
  2. Step 2: Convert to fraction form
    28,833.19/39,788.90 = 16,904.48/x
  3. Step 3: Cross multiply
    28,833.19x = 39,788.90 × 16,904.48
  4. Step 4: Simplify right side
    28,833.19x = 672,610,539.28
  5. Step 5: Solve for x
    x = 672,610,539.28/28,833.19
  6. Step 6: Final answer
    x = 23,327.65

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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.