Home / 25,556.31-35,270.54-15,485.18

Finding the Fourth Proportional to 25,556.31, 35,270.54 and 15,485.18

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Solution

The fourth proportional to 25,556.31, 35,270.54 and 15,485.18 is: 21,371.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,556.31 : 35,270.54 = 15,485.18 : x
  2. Step 2: Convert to fraction form
    25,556.31/35,270.54 = 15,485.18/x
  3. Step 3: Cross multiply
    25,556.31x = 35,270.54 × 15,485.18
  4. Step 4: Simplify right side
    25,556.31x = 546,170,464.89
  5. Step 5: Solve for x
    x = 546,170,464.89/25,556.31
  6. Step 6: Final answer
    x = 21,371.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.