Home / 28,558-39,410.04-15,982.84

Finding the Fourth Proportional to 28,558, 39,410.04 and 15,982.84

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Solution

The fourth proportional to 28,558, 39,410.04 and 15,982.84 is: 22,056.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,558 : 39,410.04 = 15,982.84 : x
  2. Step 2: Convert to fraction form
    28,558/39,410.04 = 15,982.84/x
  3. Step 3: Cross multiply
    28,558x = 39,410.04 × 15,982.84
  4. Step 4: Simplify right side
    28,558x = 629,884,363.71
  5. Step 5: Solve for x
    x = 629,884,363.71/28,558
  6. Step 6: Final answer
    x = 22,056.32

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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.