Home / 23,515.74-35,279.25-7,721.70

Finding the Fourth Proportional to 23,515.74, 35,279.25 and 7,721.70

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Solution

The fourth proportional to 23,515.74, 35,279.25 and 7,721.70 is: 11,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,515.74 : 35,279.25 = 7,721.70 : x
  2. Step 2: Convert to fraction form
    23,515.74/35,279.25 = 7,721.70/x
  3. Step 3: Cross multiply
    23,515.74x = 35,279.25 × 7,721.70
  4. Step 4: Simplify right side
    23,515.74x = 272,415,784.73
  5. Step 5: Solve for x
    x = 272,415,784.73/23,515.74
  6. Step 6: Final answer
    x = 11,584.40

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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.