Home / 25,279.67-37,889.97-19,019.57

Finding the Fourth Proportional to 25,279.67, 37,889.97 and 19,019.57

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Solution

The fourth proportional to 25,279.67, 37,889.97 and 19,019.57 is: 28,507.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,279.67 : 37,889.97 = 19,019.57 : x
  2. Step 2: Convert to fraction form
    25,279.67/37,889.97 = 19,019.57/x
  3. Step 3: Cross multiply
    25,279.67x = 37,889.97 × 19,019.57
  4. Step 4: Simplify right side
    25,279.67x = 720,650,794.81
  5. Step 5: Solve for x
    x = 720,650,794.81/25,279.67
  6. Step 6: Final answer
    x = 28,507.13

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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.