Home / 28,860.68-43,285.54-10,136.32

Finding the Fourth Proportional to 28,860.68, 43,285.54 and 10,136.32

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Solution

The fourth proportional to 28,860.68, 43,285.54 and 10,136.32 is: 15,202.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.68 : 43,285.54 = 10,136.32 : x
  2. Step 2: Convert to fraction form
    28,860.68/43,285.54 = 10,136.32/x
  3. Step 3: Cross multiply
    28,860.68x = 43,285.54 × 10,136.32
  4. Step 4: Simplify right side
    28,860.68x = 438,756,084.81
  5. Step 5: Solve for x
    x = 438,756,084.81/28,860.68
  6. Step 6: Final answer
    x = 15,202.56

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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.