Home / 28,814.58-39,763.59-16,239.33

Finding the Fourth Proportional to 28,814.58, 39,763.59 and 16,239.33

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Solution

The fourth proportional to 28,814.58, 39,763.59 and 16,239.33 is: 22,409.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,814.58 : 39,763.59 = 16,239.33 : x
  2. Step 2: Convert to fraction form
    28,814.58/39,763.59 = 16,239.33/x
  3. Step 3: Cross multiply
    28,814.58x = 39,763.59 × 16,239.33
  4. Step 4: Simplify right side
    28,814.58x = 645,734,059.99
  5. Step 5: Solve for x
    x = 645,734,059.99/28,814.58
  6. Step 6: Final answer
    x = 22,409.98

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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.