Home / 28,911.06-39,898.23-16,336.62

Finding the Fourth Proportional to 28,911.06, 39,898.23 and 16,336.62

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Solution

The fourth proportional to 28,911.06, 39,898.23 and 16,336.62 is: 22,545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,911.06 : 39,898.23 = 16,336.62 : x
  2. Step 2: Convert to fraction form
    28,911.06/39,898.23 = 16,336.62/x
  3. Step 3: Cross multiply
    28,911.06x = 39,898.23 × 16,336.62
  4. Step 4: Simplify right side
    28,911.06x = 651,802,222.18
  5. Step 5: Solve for x
    x = 651,802,222.18/28,911.06
  6. Step 6: Final answer
    x = 22,545.08

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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.