Home / 28,852.96-39,817.20-15,604.96

Finding the Fourth Proportional to 28,852.96, 39,817.20 and 15,604.96

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Solution

The fourth proportional to 28,852.96, 39,817.20 and 15,604.96 is: 21,534.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,852.96 : 39,817.20 = 15,604.96 : x
  2. Step 2: Convert to fraction form
    28,852.96/39,817.20 = 15,604.96/x
  3. Step 3: Cross multiply
    28,852.96x = 39,817.20 × 15,604.96
  4. Step 4: Simplify right side
    28,852.96x = 621,345,813.31
  5. Step 5: Solve for x
    x = 621,345,813.31/28,852.96
  6. Step 6: Final answer
    x = 21,534.91

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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.