Home / 25,890.30-35,690.58-18,313.29

Finding the Fourth Proportional to 25,890.30, 35,690.58 and 18,313.29

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Solution

The fourth proportional to 25,890.30, 35,690.58 and 18,313.29 is: 25,245.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,890.30 : 35,690.58 = 18,313.29 : x
  2. Step 2: Convert to fraction form
    25,890.30/35,690.58 = 18,313.29/x
  3. Step 3: Cross multiply
    25,890.30x = 35,690.58 × 18,313.29
  4. Step 4: Simplify right side
    25,890.30x = 653,611,941.81
  5. Step 5: Solve for x
    x = 653,611,941.81/25,890.30
  6. Step 6: Final answer
    x = 25,245.44

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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.