Home / 28,032.28-42,048.43-19,240.54

Finding the Fourth Proportional to 28,032.28, 42,048.43 and 19,240.54

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Solution

The fourth proportional to 28,032.28, 42,048.43 and 19,240.54 is: 28,860.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032.28 : 42,048.43 = 19,240.54 : x
  2. Step 2: Convert to fraction form
    28,032.28/42,048.43 = 19,240.54/x
  3. Step 3: Cross multiply
    28,032.28x = 42,048.43 × 19,240.54
  4. Step 4: Simplify right side
    28,032.28x = 809,034,499.35
  5. Step 5: Solve for x
    x = 809,034,499.35/28,032.28
  6. Step 6: Final answer
    x = 28,860.82

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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.