Home / 25,382.50-35,022.99-16,428.76

Finding the Fourth Proportional to 25,382.50, 35,022.99 and 16,428.76

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Solution

The fourth proportional to 25,382.50, 35,022.99 and 16,428.76 is: 22,668.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.50 : 35,022.99 = 16,428.76 : x
  2. Step 2: Convert to fraction form
    25,382.50/35,022.99 = 16,428.76/x
  3. Step 3: Cross multiply
    25,382.50x = 35,022.99 × 16,428.76
  4. Step 4: Simplify right side
    25,382.50x = 575,384,297.19
  5. Step 5: Solve for x
    x = 575,384,297.19/25,382.50
  6. Step 6: Final answer
    x = 22,668.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.