Home / 28,576.84-39,435.96-16,001.56

Finding the Fourth Proportional to 28,576.84, 39,435.96 and 16,001.56

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Solution

The fourth proportional to 28,576.84, 39,435.96 and 16,001.56 is: 22,082.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,576.84 : 39,435.96 = 16,001.56 : x
  2. Step 2: Convert to fraction form
    28,576.84/39,435.96 = 16,001.56/x
  3. Step 3: Cross multiply
    28,576.84x = 39,435.96 × 16,001.56
  4. Step 4: Simplify right side
    28,576.84x = 631,036,880.10
  5. Step 5: Solve for x
    x = 631,036,880.10/28,576.84
  6. Step 6: Final answer
    x = 22,082.11

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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.