Home / 57,257.46-85,875.24-17,815.05

Finding the Fourth Proportional to 57,257.46, 85,875.24 and 17,815.05

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Solution

The fourth proportional to 57,257.46, 85,875.24 and 17,815.05 is: 26,719.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,257.46 : 85,875.24 = 17,815.05 : x
  2. Step 2: Convert to fraction form
    57,257.46/85,875.24 = 17,815.05/x
  3. Step 3: Cross multiply
    57,257.46x = 85,875.24 × 17,815.05
  4. Step 4: Simplify right side
    57,257.46x = 1,529,871,694.36
  5. Step 5: Solve for x
    x = 1,529,871,694.36/57,257.46
  6. Step 6: Final answer
    x = 26,719.17

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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.