Home / 57,928.01-86,889.41-15,807.95

Finding the Fourth Proportional to 57,928.01, 86,889.41 and 15,807.95

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Solution

The fourth proportional to 57,928.01, 86,889.41 and 15,807.95 is: 23,711.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,928.01 : 86,889.41 = 15,807.95 : x
  2. Step 2: Convert to fraction form
    57,928.01/86,889.41 = 15,807.95/x
  3. Step 3: Cross multiply
    57,928.01x = 86,889.41 × 15,807.95
  4. Step 4: Simplify right side
    57,928.01x = 1,373,543,320.44
  5. Step 5: Solve for x
    x = 1,373,543,320.44/57,928.01
  6. Step 6: Final answer
    x = 23,711.21

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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.