Home / 28,012.75-42,018.97-16,158.84

Finding the Fourth Proportional to 28,012.75, 42,018.97 and 16,158.84

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Solution

The fourth proportional to 28,012.75, 42,018.97 and 16,158.84 is: 24,238.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,012.75 : 42,018.97 = 16,158.84 : x
  2. Step 2: Convert to fraction form
    28,012.75/42,018.97 = 16,158.84/x
  3. Step 3: Cross multiply
    28,012.75x = 42,018.97 × 16,158.84
  4. Step 4: Simplify right side
    28,012.75x = 678,977,813.19
  5. Step 5: Solve for x
    x = 678,977,813.19/28,012.75
  6. Step 6: Final answer
    x = 24,238.17

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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.