Home / 18,848.70-28,236.06-15,342.48

Finding the Fourth Proportional to 18,848.70, 28,236.06 and 15,342.48

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Solution

The fourth proportional to 18,848.70, 28,236.06 and 15,342.48 is: 22,983.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848.70 : 28,236.06 = 15,342.48 : x
  2. Step 2: Convert to fraction form
    18,848.70/28,236.06 = 15,342.48/x
  3. Step 3: Cross multiply
    18,848.70x = 28,236.06 × 15,342.48
  4. Step 4: Simplify right side
    18,848.70x = 433,211,185.83
  5. Step 5: Solve for x
    x = 433,211,185.83/18,848.70
  6. Step 6: Final answer
    x = 22,983.61

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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.