Home / 25,832.24-35,683.12-20,816

Finding the Fourth Proportional to 25,832.24, 35,683.12 and 20,816

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Solution

The fourth proportional to 25,832.24, 35,683.12 and 20,816 is: 28,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,832.24 : 35,683.12 = 20,816 : x
  2. Step 2: Convert to fraction form
    25,832.24/35,683.12 = 20,816/x
  3. Step 3: Cross multiply
    25,832.24x = 35,683.12 × 20,816
  4. Step 4: Simplify right side
    25,832.24x = 742,779,825.92
  5. Step 5: Solve for x
    x = 742,779,825.92/25,832.24
  6. Step 6: Final answer
    x = 28,753.98

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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.