Home / 25,454.37-35,147.66-15,905.38

Finding the Fourth Proportional to 25,454.37, 35,147.66 and 15,905.38

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Solution

The fourth proportional to 25,454.37, 35,147.66 and 15,905.38 is: 21,962.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,454.37 : 35,147.66 = 15,905.38 : x
  2. Step 2: Convert to fraction form
    25,454.37/35,147.66 = 15,905.38/x
  3. Step 3: Cross multiply
    25,454.37x = 35,147.66 × 15,905.38
  4. Step 4: Simplify right side
    25,454.37x = 559,036,888.41
  5. Step 5: Solve for x
    x = 559,036,888.41/25,454.37
  6. Step 6: Final answer
    x = 21,962.31

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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.