Home / 28,888.84-39,866.54-16,313.60

Finding the Fourth Proportional to 28,888.84, 39,866.54 and 16,313.60

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Solution

The fourth proportional to 28,888.84, 39,866.54 and 16,313.60 is: 22,512.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,888.84 : 39,866.54 = 16,313.60 : x
  2. Step 2: Convert to fraction form
    28,888.84/39,866.54 = 16,313.60/x
  3. Step 3: Cross multiply
    28,888.84x = 39,866.54 × 16,313.60
  4. Step 4: Simplify right side
    28,888.84x = 650,366,786.94
  5. Step 5: Solve for x
    x = 650,366,786.94/28,888.84
  6. Step 6: Final answer
    x = 22,512.73

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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.