Home / 28,322.88-39,091.23-21,596.49

Finding the Fourth Proportional to 28,322.88, 39,091.23 and 21,596.49

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Solution

The fourth proportional to 28,322.88, 39,091.23 and 21,596.49 is: 29,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322.88 : 39,091.23 = 21,596.49 : x
  2. Step 2: Convert to fraction form
    28,322.88/39,091.23 = 21,596.49/x
  3. Step 3: Cross multiply
    28,322.88x = 39,091.23 × 21,596.49
  4. Step 4: Simplify right side
    28,322.88x = 844,233,314.05
  5. Step 5: Solve for x
    x = 844,233,314.05/28,322.88
  6. Step 6: Final answer
    x = 29,807.47

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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.