Home / 25,112.76-37,678.32-10,317.68

Finding the Fourth Proportional to 25,112.76, 37,678.32 and 10,317.68

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Solution

The fourth proportional to 25,112.76, 37,678.32 and 10,317.68 is: 15,480.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,112.76 : 37,678.32 = 10,317.68 : x
  2. Step 2: Convert to fraction form
    25,112.76/37,678.32 = 10,317.68/x
  3. Step 3: Cross multiply
    25,112.76x = 37,678.32 × 10,317.68
  4. Step 4: Simplify right side
    25,112.76x = 388,752,848.70
  5. Step 5: Solve for x
    x = 388,752,848.70/25,112.76
  6. Step 6: Final answer
    x = 15,480.29

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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.