Home / 28,245.25-42,316.23-13,224.81

Finding the Fourth Proportional to 28,245.25, 42,316.23 and 13,224.81

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Solution

The fourth proportional to 28,245.25, 42,316.23 and 13,224.81 is: 19,813.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,245.25 : 42,316.23 = 13,224.81 : x
  2. Step 2: Convert to fraction form
    28,245.25/42,316.23 = 13,224.81/x
  3. Step 3: Cross multiply
    28,245.25x = 42,316.23 × 13,224.81
  4. Step 4: Simplify right side
    28,245.25x = 559,624,101.67
  5. Step 5: Solve for x
    x = 559,624,101.67/28,245.25
  6. Step 6: Final answer
    x = 19,813.04

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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.