Home / 25,130.12-34,683.99-18,788.48

Finding the Fourth Proportional to 25,130.12, 34,683.99 and 18,788.48

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Solution

The fourth proportional to 25,130.12, 34,683.99 and 18,788.48 is: 25,931.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,130.12 : 34,683.99 = 18,788.48 : x
  2. Step 2: Convert to fraction form
    25,130.12/34,683.99 = 18,788.48/x
  3. Step 3: Cross multiply
    25,130.12x = 34,683.99 × 18,788.48
  4. Step 4: Simplify right side
    25,130.12x = 651,659,452.44
  5. Step 5: Solve for x
    x = 651,659,452.44/25,130.12
  6. Step 6: Final answer
    x = 25,931.41

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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.