Home / 25,279.84-37,918.39-7,749.72

Finding the Fourth Proportional to 25,279.84, 37,918.39 and 7,749.72

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Solution

The fourth proportional to 25,279.84, 37,918.39 and 7,749.72 is: 11,624.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,279.84 : 37,918.39 = 7,749.72 : x
  2. Step 2: Convert to fraction form
    25,279.84/37,918.39 = 7,749.72/x
  3. Step 3: Cross multiply
    25,279.84x = 37,918.39 × 7,749.72
  4. Step 4: Simplify right side
    25,279.84x = 293,856,905.35
  5. Step 5: Solve for x
    x = 293,856,905.35/25,279.84
  6. Step 6: Final answer
    x = 11,624.16

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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.