Home / 28,238.06-38,962.93-16,750.84

Finding the Fourth Proportional to 28,238.06, 38,962.93 and 16,750.84

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Solution

The fourth proportional to 28,238.06, 38,962.93 and 16,750.84 is: 23,112.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,238.06 : 38,962.93 = 16,750.84 : x
  2. Step 2: Convert to fraction form
    28,238.06/38,962.93 = 16,750.84/x
  3. Step 3: Cross multiply
    28,238.06x = 38,962.93 × 16,750.84
  4. Step 4: Simplify right side
    28,238.06x = 652,661,806.36
  5. Step 5: Solve for x
    x = 652,661,806.36/28,238.06
  6. Step 6: Final answer
    x = 23,112.84

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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.