Home / 57,388.10-86,088.70-15,269.90

Finding the Fourth Proportional to 57,388.10, 86,088.70 and 15,269.90

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Solution

The fourth proportional to 57,388.10, 86,088.70 and 15,269.90 is: 22,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,388.10 : 86,088.70 = 15,269.90 : x
  2. Step 2: Convert to fraction form
    57,388.10/86,088.70 = 15,269.90/x
  3. Step 3: Cross multiply
    57,388.10x = 86,088.70 × 15,269.90
  4. Step 4: Simplify right side
    57,388.10x = 1,314,565,840.13
  5. Step 5: Solve for x
    x = 1,314,565,840.13/57,388.10
  6. Step 6: Final answer
    x = 22,906.59

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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.