Home / 28,728.24-43,048.38-19,333.50

Finding the Fourth Proportional to 28,728.24, 43,048.38 and 19,333.50

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Solution

The fourth proportional to 28,728.24, 43,048.38 and 19,333.50 is: 28,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728.24 : 43,048.38 = 19,333.50 : x
  2. Step 2: Convert to fraction form
    28,728.24/43,048.38 = 19,333.50/x
  3. Step 3: Cross multiply
    28,728.24x = 43,048.38 × 19,333.50
  4. Step 4: Simplify right side
    28,728.24x = 832,275,854.73
  5. Step 5: Solve for x
    x = 832,275,854.73/28,728.24
  6. Step 6: Final answer
    x = 28,970.65

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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.