Home / 28,986.98-40,002.97-16,411.46

Finding the Fourth Proportional to 28,986.98, 40,002.97 and 16,411.46

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Solution

The fourth proportional to 28,986.98, 40,002.97 and 16,411.46 is: 22,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986.98 : 40,002.97 = 16,411.46 : x
  2. Step 2: Convert to fraction form
    28,986.98/40,002.97 = 16,411.46/x
  3. Step 3: Cross multiply
    28,986.98x = 40,002.97 × 16,411.46
  4. Step 4: Simplify right side
    28,986.98x = 656,507,142.04
  5. Step 5: Solve for x
    x = 656,507,142.04/28,986.98
  6. Step 6: Final answer
    x = 22,648.35

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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.