Home / 25,777.02-38,664.81-8,247.90

Finding the Fourth Proportional to 25,777.02, 38,664.81 and 8,247.90

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Solution

The fourth proportional to 25,777.02, 38,664.81 and 8,247.90 is: 12,371.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,777.02 : 38,664.81 = 8,247.90 : x
  2. Step 2: Convert to fraction form
    25,777.02/38,664.81 = 8,247.90/x
  3. Step 3: Cross multiply
    25,777.02x = 38,664.81 × 8,247.90
  4. Step 4: Simplify right side
    25,777.02x = 318,903,486.40
  5. Step 5: Solve for x
    x = 318,903,486.40/25,777.02
  6. Step 6: Final answer
    x = 12,371.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.