Home / 38,111.57-57,158.16-15,912.91

Finding the Fourth Proportional to 38,111.57, 57,158.16 and 15,912.91

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Solution

The fourth proportional to 38,111.57, 57,158.16 and 15,912.91 is: 23,865.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,111.57 : 57,158.16 = 15,912.91 : x
  2. Step 2: Convert to fraction form
    38,111.57/57,158.16 = 15,912.91/x
  3. Step 3: Cross multiply
    38,111.57x = 57,158.16 × 15,912.91
  4. Step 4: Simplify right side
    38,111.57x = 909,552,727.29
  5. Step 5: Solve for x
    x = 909,552,727.29/38,111.57
  6. Step 6: Final answer
    x = 23,865.53

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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.