Home / 28,885.01-39,859.44-16,784.42

Finding the Fourth Proportional to 28,885.01, 39,859.44 and 16,784.42

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Solution

The fourth proportional to 28,885.01, 39,859.44 and 16,784.42 is: 23,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.01 : 39,859.44 = 16,784.42 : x
  2. Step 2: Convert to fraction form
    28,885.01/39,859.44 = 16,784.42/x
  3. Step 3: Cross multiply
    28,885.01x = 39,859.44 × 16,784.42
  4. Step 4: Simplify right side
    28,885.01x = 669,017,581.92
  5. Step 5: Solve for x
    x = 669,017,581.92/28,885.01
  6. Step 6: Final answer
    x = 23,161.41

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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.