Home / 28,918.40-43,144.24-25,762.94

Finding the Fourth Proportional to 28,918.40, 43,144.24 and 25,762.94

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Solution

The fourth proportional to 28,918.40, 43,144.24 and 25,762.94 is: 38,436.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,918.40 : 43,144.24 = 25,762.94 : x
  2. Step 2: Convert to fraction form
    28,918.40/43,144.24 = 25,762.94/x
  3. Step 3: Cross multiply
    28,918.40x = 43,144.24 × 25,762.94
  4. Step 4: Simplify right side
    28,918.40x = 1,111,522,466.47
  5. Step 5: Solve for x
    x = 1,111,522,466.47/28,918.40
  6. Step 6: Final answer
    x = 38,436.51

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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.