Home / 25,144.40-37,716.60-16,389.20

Finding the Fourth Proportional to 25,144.40, 37,716.60 and 16,389.20

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Solution

The fourth proportional to 25,144.40, 37,716.60 and 16,389.20 is: 24,583.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,144.40 : 37,716.60 = 16,389.20 : x
  2. Step 2: Convert to fraction form
    25,144.40/37,716.60 = 16,389.20/x
  3. Step 3: Cross multiply
    25,144.40x = 37,716.60 × 16,389.20
  4. Step 4: Simplify right side
    25,144.40x = 618,144,900.72
  5. Step 5: Solve for x
    x = 618,144,900.72/25,144.40
  6. Step 6: Final answer
    x = 24,583.80

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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.