Home / 25,778.36-38,661.49-14,538.56

Finding the Fourth Proportional to 25,778.36, 38,661.49 and 14,538.56

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Solution

The fourth proportional to 25,778.36, 38,661.49 and 14,538.56 is: 21,804.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,778.36 : 38,661.49 = 14,538.56 : x
  2. Step 2: Convert to fraction form
    25,778.36/38,661.49 = 14,538.56/x
  3. Step 3: Cross multiply
    25,778.36x = 38,661.49 × 14,538.56
  4. Step 4: Simplify right side
    25,778.36x = 562,082,392.05
  5. Step 5: Solve for x
    x = 562,082,392.05/25,778.36
  6. Step 6: Final answer
    x = 21,804.43

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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.