Home / 57,638.38-86,468.01-28,056.19

Finding the Fourth Proportional to 57,638.38, 86,468.01 and 28,056.19

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Solution

The fourth proportional to 57,638.38, 86,468.01 and 28,056.19 is: 42,089.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,638.38 : 86,468.01 = 28,056.19 : x
  2. Step 2: Convert to fraction form
    57,638.38/86,468.01 = 28,056.19/x
  3. Step 3: Cross multiply
    57,638.38x = 86,468.01 × 28,056.19
  4. Step 4: Simplify right side
    57,638.38x = 2,425,962,917.48
  5. Step 5: Solve for x
    x = 2,425,962,917.48/57,638.38
  6. Step 6: Final answer
    x = 42,089.37

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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.