Home / 26,455.80-39,683.70-25,435.20

Finding the Fourth Proportional to 26,455.80, 39,683.70 and 25,435.20

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Solution

The fourth proportional to 26,455.80, 39,683.70 and 25,435.20 is: 38,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,455.80 : 39,683.70 = 25,435.20 : x
  2. Step 2: Convert to fraction form
    26,455.80/39,683.70 = 25,435.20/x
  3. Step 3: Cross multiply
    26,455.80x = 39,683.70 × 25,435.20
  4. Step 4: Simplify right side
    26,455.80x = 1,009,362,846.24
  5. Step 5: Solve for x
    x = 1,009,362,846.24/26,455.80
  6. Step 6: Final answer
    x = 38,152.80

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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.