Home / 28,703.84-39,610.62-16,603.43

Finding the Fourth Proportional to 28,703.84, 39,610.62 and 16,603.43

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Solution

The fourth proportional to 28,703.84, 39,610.62 and 16,603.43 is: 22,912.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,703.84 : 39,610.62 = 16,603.43 : x
  2. Step 2: Convert to fraction form
    28,703.84/39,610.62 = 16,603.43/x
  3. Step 3: Cross multiply
    28,703.84x = 39,610.62 × 16,603.43
  4. Step 4: Simplify right side
    28,703.84x = 657,671,958.37
  5. Step 5: Solve for x
    x = 657,671,958.37/28,703.84
  6. Step 6: Final answer
    x = 22,912.34

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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.