Home / 38,111.31-57,157.77-15,912.65

Finding the Fourth Proportional to 38,111.31, 57,157.77 and 15,912.65

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Solution

The fourth proportional to 38,111.31, 57,157.77 and 15,912.65 is: 23,865.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,111.31 : 57,157.77 = 15,912.65 : x
  2. Step 2: Convert to fraction form
    38,111.31/57,157.77 = 15,912.65/x
  3. Step 3: Cross multiply
    38,111.31x = 57,157.77 × 15,912.65
  4. Step 4: Simplify right side
    38,111.31x = 909,531,588.79
  5. Step 5: Solve for x
    x = 909,531,588.79/38,111.31
  6. Step 6: Final answer
    x = 23,865.14

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1.5x scale

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.