Home / 25,453.49-38,166.23-13,621.14

Finding the Fourth Proportional to 25,453.49, 38,166.23 and 13,621.14

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Solution

The fourth proportional to 25,453.49, 38,166.23 and 13,621.14 is: 20,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,453.49 : 38,166.23 = 13,621.14 : x
  2. Step 2: Convert to fraction form
    25,453.49/38,166.23 = 13,621.14/x
  3. Step 3: Cross multiply
    25,453.49x = 38,166.23 × 13,621.14
  4. Step 4: Simplify right side
    25,453.49x = 519,867,494.00
  5. Step 5: Solve for x
    x = 519,867,494.00/25,453.49
  6. Step 6: Final answer
    x = 20,424.21

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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.