Home / 38,270.15-57,405.34-11,616.35

Finding the Fourth Proportional to 38,270.15, 57,405.34 and 11,616.35

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Solution

The fourth proportional to 38,270.15, 57,405.34 and 11,616.35 is: 17,424.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,270.15 : 57,405.34 = 11,616.35 : x
  2. Step 2: Convert to fraction form
    38,270.15/57,405.34 = 11,616.35/x
  3. Step 3: Cross multiply
    38,270.15x = 57,405.34 × 11,616.35
  4. Step 4: Simplify right side
    38,270.15x = 666,840,521.31
  5. Step 5: Solve for x
    x = 666,840,521.31/38,270.15
  6. Step 6: Final answer
    x = 17,424.56

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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.