Home / 28,495.59-39,315.27-16,556.61

Finding the Fourth Proportional to 28,495.59, 39,315.27 and 16,556.61

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Solution

The fourth proportional to 28,495.59, 39,315.27 and 16,556.61 is: 22,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,495.59 : 39,315.27 = 16,556.61 : x
  2. Step 2: Convert to fraction form
    28,495.59/39,315.27 = 16,556.61/x
  3. Step 3: Cross multiply
    28,495.59x = 39,315.27 × 16,556.61
  4. Step 4: Simplify right side
    28,495.59x = 650,927,592.43
  5. Step 5: Solve for x
    x = 650,927,592.43/28,495.59
  6. Step 6: Final answer
    x = 22,843.10

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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.