Home / 25,285.45-37,915.69-7,751.05

Finding the Fourth Proportional to 25,285.45, 37,915.69 and 7,751.05

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Solution

The fourth proportional to 25,285.45, 37,915.69 and 7,751.05 is: 11,622.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,285.45 : 37,915.69 = 7,751.05 : x
  2. Step 2: Convert to fraction form
    25,285.45/37,915.69 = 7,751.05/x
  3. Step 3: Cross multiply
    25,285.45x = 37,915.69 × 7,751.05
  4. Step 4: Simplify right side
    25,285.45x = 293,886,180.64
  5. Step 5: Solve for x
    x = 293,886,180.64/25,285.45
  6. Step 6: Final answer
    x = 11,622.74

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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.