Home / 28,883.57-39,857.90-16,134.21

Finding the Fourth Proportional to 28,883.57, 39,857.90 and 16,134.21

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Solution

The fourth proportional to 28,883.57, 39,857.90 and 16,134.21 is: 22,264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.57 : 39,857.90 = 16,134.21 : x
  2. Step 2: Convert to fraction form
    28,883.57/39,857.90 = 16,134.21/x
  3. Step 3: Cross multiply
    28,883.57x = 39,857.90 × 16,134.21
  4. Step 4: Simplify right side
    28,883.57x = 643,075,648.09
  5. Step 5: Solve for x
    x = 643,075,648.09/28,883.57
  6. Step 6: Final answer
    x = 22,264.41

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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.