Home / 28,450.56-42,391.32-25,346.64

Finding the Fourth Proportional to 28,450.56, 42,391.32 and 25,346.64

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Solution

The fourth proportional to 28,450.56, 42,391.32 and 25,346.64 is: 37,766.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,450.56 : 42,391.32 = 25,346.64 : x
  2. Step 2: Convert to fraction form
    28,450.56/42,391.32 = 25,346.64/x
  3. Step 3: Cross multiply
    28,450.56x = 42,391.32 × 25,346.64
  4. Step 4: Simplify right side
    28,450.56x = 1,074,477,527.16
  5. Step 5: Solve for x
    x = 1,074,477,527.16/28,450.56
  6. Step 6: Final answer
    x = 37,766.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.