Home / 28,411.12-39,199.44-16,472.08

Finding the Fourth Proportional to 28,411.12, 39,199.44 and 16,472.08

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Solution

The fourth proportional to 28,411.12, 39,199.44 and 16,472.08 is: 22,726.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,411.12 : 39,199.44 = 16,472.08 : x
  2. Step 2: Convert to fraction form
    28,411.12/39,199.44 = 16,472.08/x
  3. Step 3: Cross multiply
    28,411.12x = 39,199.44 × 16,472.08
  4. Step 4: Simplify right side
    28,411.12x = 645,696,311.64
  5. Step 5: Solve for x
    x = 645,696,311.64/28,411.12
  6. Step 6: Final answer
    x = 22,726.89

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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.