Home / 25,782.09-38,664.90-8,247.75

Finding the Fourth Proportional to 25,782.09, 38,664.90 and 8,247.75

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Solution

The fourth proportional to 25,782.09, 38,664.90 and 8,247.75 is: 12,368.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,782.09 : 38,664.90 = 8,247.75 : x
  2. Step 2: Convert to fraction form
    25,782.09/38,664.90 = 8,247.75/x
  3. Step 3: Cross multiply
    25,782.09x = 38,664.90 × 8,247.75
  4. Step 4: Simplify right side
    25,782.09x = 318,898,428.98
  5. Step 5: Solve for x
    x = 318,898,428.98/25,782.09
  6. Step 6: Final answer
    x = 12,368.99

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1.5x scale

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.