Home / 25,995.24-35,878.14-15,390.18

Finding the Fourth Proportional to 25,995.24, 35,878.14 and 15,390.18

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Solution

The fourth proportional to 25,995.24, 35,878.14 and 15,390.18 is: 21,241.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,995.24 : 35,878.14 = 15,390.18 : x
  2. Step 2: Convert to fraction form
    25,995.24/35,878.14 = 15,390.18/x
  3. Step 3: Cross multiply
    25,995.24x = 35,878.14 × 15,390.18
  4. Step 4: Simplify right side
    25,995.24x = 552,171,032.67
  5. Step 5: Solve for x
    x = 552,171,032.67/25,995.24
  6. Step 6: Final answer
    x = 21,241.24

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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.