Home / 28,852.80-43,253.07-11,317.92

Finding the Fourth Proportional to 28,852.80, 43,253.07 and 11,317.92

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Solution

The fourth proportional to 28,852.80, 43,253.07 and 11,317.92 is: 16,966.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,852.80 : 43,253.07 = 11,317.92 : x
  2. Step 2: Convert to fraction form
    28,852.80/43,253.07 = 11,317.92/x
  3. Step 3: Cross multiply
    28,852.80x = 43,253.07 × 11,317.92
  4. Step 4: Simplify right side
    28,852.80x = 489,534,786.01
  5. Step 5: Solve for x
    x = 489,534,786.01/28,852.80
  6. Step 6: Final answer
    x = 16,966.63

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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.