Home / 28,237.06-38,961.55-16,749.84

Finding the Fourth Proportional to 28,237.06, 38,961.55 and 16,749.84

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Solution

The fourth proportional to 28,237.06, 38,961.55 and 16,749.84 is: 23,111.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237.06 : 38,961.55 = 16,749.84 : x
  2. Step 2: Convert to fraction form
    28,237.06/38,961.55 = 16,749.84/x
  3. Step 3: Cross multiply
    28,237.06x = 38,961.55 × 16,749.84
  4. Step 4: Simplify right side
    28,237.06x = 652,599,728.65
  5. Step 5: Solve for x
    x = 652,599,728.65/28,237.06
  6. Step 6: Final answer
    x = 23,111.46

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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.