Home / 28,164.99-42,232.33-11,289.53

Finding the Fourth Proportional to 28,164.99, 42,232.33 and 11,289.53

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Solution

The fourth proportional to 28,164.99, 42,232.33 and 11,289.53 is: 16,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,164.99 : 42,232.33 = 11,289.53 : x
  2. Step 2: Convert to fraction form
    28,164.99/42,232.33 = 11,289.53/x
  3. Step 3: Cross multiply
    28,164.99x = 42,232.33 × 11,289.53
  4. Step 4: Simplify right side
    28,164.99x = 476,783,156.50
  5. Step 5: Solve for x
    x = 476,783,156.50/28,164.99
  6. Step 6: Final answer
    x = 16,928.22

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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.