Home / 28,965.84-39,963.56-16,217.14

Finding the Fourth Proportional to 28,965.84, 39,963.56 and 16,217.14

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Solution

The fourth proportional to 28,965.84, 39,963.56 and 16,217.14 is: 22,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,965.84 : 39,963.56 = 16,217.14 : x
  2. Step 2: Convert to fraction form
    28,965.84/39,963.56 = 16,217.14/x
  3. Step 3: Cross multiply
    28,965.84x = 39,963.56 × 16,217.14
  4. Step 4: Simplify right side
    28,965.84x = 648,094,647.42
  5. Step 5: Solve for x
    x = 648,094,647.42/28,965.84
  6. Step 6: Final answer
    x = 22,374.45

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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.