Home / 57,427.94-86,146.00-15,307.80

Finding the Fourth Proportional to 57,427.94, 86,146.00 and 15,307.80

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Solution

The fourth proportional to 57,427.94, 86,146.00 and 15,307.80 is: 22,962.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,427.94 : 86,146.00 = 15,307.80 : x
  2. Step 2: Convert to fraction form
    57,427.94/86,146.00 = 15,307.80/x
  3. Step 3: Cross multiply
    57,427.94x = 86,146.00 × 15,307.80
  4. Step 4: Simplify right side
    57,427.94x = 1,318,705,463.59
  5. Step 5: Solve for x
    x = 1,318,705,463.59/57,427.94
  6. Step 6: Final answer
    x = 22,962.79

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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.