Home / 28,032.70-42,048.96-19,240.96

Finding the Fourth Proportional to 28,032.70, 42,048.96 and 19,240.96

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Solution

The fourth proportional to 28,032.70, 42,048.96 and 19,240.96 is: 28,861.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032.70 : 42,048.96 = 19,240.96 : x
  2. Step 2: Convert to fraction form
    28,032.70/42,048.96 = 19,240.96/x
  3. Step 3: Cross multiply
    28,032.70x = 42,048.96 × 19,240.96
  4. Step 4: Simplify right side
    28,032.70x = 809,062,357.40
  5. Step 5: Solve for x
    x = 809,062,357.40/28,032.70
  6. Step 6: Final answer
    x = 28,861.38

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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.