Home / 25,121.07-37,681.22-8,492.78

Finding the Fourth Proportional to 25,121.07, 37,681.22 and 8,492.78

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Solution

The fourth proportional to 25,121.07, 37,681.22 and 8,492.78 is: 12,739.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,121.07 : 37,681.22 = 8,492.78 : x
  2. Step 2: Convert to fraction form
    25,121.07/37,681.22 = 8,492.78/x
  3. Step 3: Cross multiply
    25,121.07x = 37,681.22 × 8,492.78
  4. Step 4: Simplify right side
    25,121.07x = 320,018,379.25
  5. Step 5: Solve for x
    x = 320,018,379.25/25,121.07
  6. Step 6: Final answer
    x = 12,739.04

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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.