Home / 28,208.28-42,298.74-16,525.56

Finding the Fourth Proportional to 28,208.28, 42,298.74 and 16,525.56

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Solution

The fourth proportional to 28,208.28, 42,298.74 and 16,525.56 is: 24,780.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,208.28 : 42,298.74 = 16,525.56 : x
  2. Step 2: Convert to fraction form
    28,208.28/42,298.74 = 16,525.56/x
  3. Step 3: Cross multiply
    28,208.28x = 42,298.74 × 16,525.56
  4. Step 4: Simplify right side
    28,208.28x = 699,010,365.79
  5. Step 5: Solve for x
    x = 699,010,365.79/28,208.28
  6. Step 6: Final answer
    x = 24,780.33

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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.