Home / 28,330.00-42,475.83-15,858.63

Finding the Fourth Proportional to 28,330.00, 42,475.83 and 15,858.63

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Solution

The fourth proportional to 28,330.00, 42,475.83 and 15,858.63 is: 23,777.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,330.00 : 42,475.83 = 15,858.63 : x
  2. Step 2: Convert to fraction form
    28,330.00/42,475.83 = 15,858.63/x
  3. Step 3: Cross multiply
    28,330.00x = 42,475.83 × 15,858.63
  4. Step 4: Simplify right side
    28,330.00x = 673,608,412.44
  5. Step 5: Solve for x
    x = 673,608,412.44/28,330.00
  6. Step 6: Final answer
    x = 23,777.21

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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.