Home / 28,816.68-43,225.14-19,463.64

Finding the Fourth Proportional to 28,816.68, 43,225.14 and 19,463.64

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Solution

The fourth proportional to 28,816.68, 43,225.14 and 19,463.64 is: 29,195.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.68 : 43,225.14 = 19,463.64 : x
  2. Step 2: Convert to fraction form
    28,816.68/43,225.14 = 19,463.64/x
  3. Step 3: Cross multiply
    28,816.68x = 43,225.14 × 19,463.64
  4. Step 4: Simplify right side
    28,816.68x = 841,318,563.91
  5. Step 5: Solve for x
    x = 841,318,563.91/28,816.68
  6. Step 6: Final answer
    x = 29,195.54

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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.