Home / 28,965.06-39,973.38-16,217.52

Finding the Fourth Proportional to 28,965.06, 39,973.38 and 16,217.52

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Solution

The fourth proportional to 28,965.06, 39,973.38 and 16,217.52 is: 22,381.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,965.06 : 39,973.38 = 16,217.52 : x
  2. Step 2: Convert to fraction form
    28,965.06/39,973.38 = 16,217.52/x
  3. Step 3: Cross multiply
    28,965.06x = 39,973.38 × 16,217.52
  4. Step 4: Simplify right side
    28,965.06x = 648,269,089.62
  5. Step 5: Solve for x
    x = 648,269,089.62/28,965.06
  6. Step 6: Final answer
    x = 22,381.07

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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.