Home / 25,021.53-34,528.99-13,690.77

Finding the Fourth Proportional to 25,021.53, 34,528.99 and 13,690.77

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Solution

The fourth proportional to 25,021.53, 34,528.99 and 13,690.77 is: 18,892.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,021.53 : 34,528.99 = 13,690.77 : x
  2. Step 2: Convert to fraction form
    25,021.53/34,528.99 = 13,690.77/x
  3. Step 3: Cross multiply
    25,021.53x = 34,528.99 × 13,690.77
  4. Step 4: Simplify right side
    25,021.53x = 472,728,460.42
  5. Step 5: Solve for x
    x = 472,728,460.42/25,021.53
  6. Step 6: Final answer
    x = 18,892.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.