Home / 25,356.76-37,852.19-21,424.60

Finding the Fourth Proportional to 25,356.76, 37,852.19 and 21,424.60

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Solution

The fourth proportional to 25,356.76, 37,852.19 and 21,424.60 is: 31,982.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,356.76 : 37,852.19 = 21,424.60 : x
  2. Step 2: Convert to fraction form
    25,356.76/37,852.19 = 21,424.60/x
  3. Step 3: Cross multiply
    25,356.76x = 37,852.19 × 21,424.60
  4. Step 4: Simplify right side
    25,356.76x = 810,968,029.87
  5. Step 5: Solve for x
    x = 810,968,029.87/25,356.76
  6. Step 6: Final answer
    x = 31,982.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.