Home / 28,953.11-39,951.93-16,206.99

Finding the Fourth Proportional to 28,953.11, 39,951.93 and 16,206.99

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Solution

The fourth proportional to 28,953.11, 39,951.93 and 16,206.99 is: 22,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,953.11 : 39,951.93 = 16,206.99 : x
  2. Step 2: Convert to fraction form
    28,953.11/39,951.93 = 16,206.99/x
  3. Step 3: Cross multiply
    28,953.11x = 39,951.93 × 16,206.99
  4. Step 4: Simplify right side
    28,953.11x = 647,500,440.95
  5. Step 5: Solve for x
    x = 647,500,440.95/28,953.11
  6. Step 6: Final answer
    x = 22,363.76

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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.