Home / 28,323.38-39,091.93-21,596.99

Finding the Fourth Proportional to 28,323.38, 39,091.93 and 21,596.99

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Solution

The fourth proportional to 28,323.38, 39,091.93 and 21,596.99 is: 29,808.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323.38 : 39,091.93 = 21,596.99 : x
  2. Step 2: Convert to fraction form
    28,323.38/39,091.93 = 21,596.99/x
  3. Step 3: Cross multiply
    28,323.38x = 39,091.93 × 21,596.99
  4. Step 4: Simplify right side
    28,323.38x = 844,267,913.31
  5. Step 5: Solve for x
    x = 844,267,913.31/28,323.38
  6. Step 6: Final answer
    x = 29,808.16

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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.