Home / 28,858.06-43,289.57-10,136.47

Finding the Fourth Proportional to 28,858.06, 43,289.57 and 10,136.47

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Solution

The fourth proportional to 28,858.06, 43,289.57 and 10,136.47 is: 15,205.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858.06 : 43,289.57 = 10,136.47 : x
  2. Step 2: Convert to fraction form
    28,858.06/43,289.57 = 10,136.47/x
  3. Step 3: Cross multiply
    28,858.06x = 43,289.57 × 10,136.47
  4. Step 4: Simplify right side
    28,858.06x = 438,803,427.62
  5. Step 5: Solve for x
    x = 438,803,427.62/28,858.06
  6. Step 6: Final answer
    x = 15,205.58

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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.