Home / 25,111.70-37,667.91-10,320.74

Finding the Fourth Proportional to 25,111.70, 37,667.91 and 10,320.74

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Solution

The fourth proportional to 25,111.70, 37,667.91 and 10,320.74 is: 15,481.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,111.70 : 37,667.91 = 10,320.74 : x
  2. Step 2: Convert to fraction form
    25,111.70/37,667.91 = 10,320.74/x
  3. Step 3: Cross multiply
    25,111.70x = 37,667.91 × 10,320.74
  4. Step 4: Simplify right side
    25,111.70x = 388,760,705.45
  5. Step 5: Solve for x
    x = 388,760,705.45/25,111.70
  6. Step 6: Final answer
    x = 15,481.26

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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.