Home / 28,586.80-39,449.70-16,487.23

Finding the Fourth Proportional to 28,586.80, 39,449.70 and 16,487.23

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Solution

The fourth proportional to 28,586.80, 39,449.70 and 16,487.23 is: 22,752.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586.80 : 39,449.70 = 16,487.23 : x
  2. Step 2: Convert to fraction form
    28,586.80/39,449.70 = 16,487.23/x
  3. Step 3: Cross multiply
    28,586.80x = 39,449.70 × 16,487.23
  4. Step 4: Simplify right side
    28,586.80x = 650,416,277.33
  5. Step 5: Solve for x
    x = 650,416,277.33/28,586.80
  6. Step 6: Final answer
    x = 22,752.33

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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.