Home / 25,148.28-37,728.26-7,378.22

Finding the Fourth Proportional to 25,148.28, 37,728.26 and 7,378.22

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Solution

The fourth proportional to 25,148.28, 37,728.26 and 7,378.22 is: 11,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,148.28 : 37,728.26 = 7,378.22 : x
  2. Step 2: Convert to fraction form
    25,148.28/37,728.26 = 7,378.22/x
  3. Step 3: Cross multiply
    25,148.28x = 37,728.26 × 7,378.22
  4. Step 4: Simplify right side
    25,148.28x = 278,367,466.84
  5. Step 5: Solve for x
    x = 278,367,466.84/25,148.28
  6. Step 6: Final answer
    x = 11,069.05

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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.