Home / 28,298.74-42,389.78-16,576.42

Finding the Fourth Proportional to 28,298.74, 42,389.78 and 16,576.42

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Solution

The fourth proportional to 28,298.74, 42,389.78 and 16,576.42 is: 24,830.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298.74 : 42,389.78 = 16,576.42 : x
  2. Step 2: Convert to fraction form
    28,298.74/42,389.78 = 16,576.42/x
  3. Step 3: Cross multiply
    28,298.74x = 42,389.78 × 16,576.42
  4. Step 4: Simplify right side
    28,298.74x = 702,670,796.99
  5. Step 5: Solve for x
    x = 702,670,796.99/28,298.74
  6. Step 6: Final answer
    x = 24,830.46

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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.