Home / 28,333.40-39,098.42-16,395.88

Finding the Fourth Proportional to 28,333.40, 39,098.42 and 16,395.88

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Solution

The fourth proportional to 28,333.40, 39,098.42 and 16,395.88 is: 22,625.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,333.40 : 39,098.42 = 16,395.88 : x
  2. Step 2: Convert to fraction form
    28,333.40/39,098.42 = 16,395.88/x
  3. Step 3: Cross multiply
    28,333.40x = 39,098.42 × 16,395.88
  4. Step 4: Simplify right side
    28,333.40x = 641,053,002.51
  5. Step 5: Solve for x
    x = 641,053,002.51/28,333.40
  6. Step 6: Final answer
    x = 22,625.35

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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.