Home / 28,858.01-43,289.48-10,136.42

Finding the Fourth Proportional to 28,858.01, 43,289.48 and 10,136.42

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Solution

The fourth proportional to 28,858.01, 43,289.48 and 10,136.42 is: 15,205.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858.01 : 43,289.48 = 10,136.42 : x
  2. Step 2: Convert to fraction form
    28,858.01/43,289.48 = 10,136.42/x
  3. Step 3: Cross multiply
    28,858.01x = 43,289.48 × 10,136.42
  4. Step 4: Simplify right side
    28,858.01x = 438,800,159.76
  5. Step 5: Solve for x
    x = 438,800,159.76/28,858.01
  6. Step 6: Final answer
    x = 15,205.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.