Home / 28,126.82-42,206.64-10,598.02

Finding the Fourth Proportional to 28,126.82, 42,206.64 and 10,598.02

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Solution

The fourth proportional to 28,126.82, 42,206.64 and 10,598.02 is: 15,903.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126.82 : 42,206.64 = 10,598.02 : x
  2. Step 2: Convert to fraction form
    28,126.82/42,206.64 = 10,598.02/x
  3. Step 3: Cross multiply
    28,126.82x = 42,206.64 × 10,598.02
  4. Step 4: Simplify right side
    28,126.82x = 447,306,814.85
  5. Step 5: Solve for x
    x = 447,306,814.85/28,126.82
  6. Step 6: Final answer
    x = 15,903.21

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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.