Home / 28,190.00-42,285.71-9,470.70

Finding the Fourth Proportional to 28,190.00, 42,285.71 and 9,470.70

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Solution

The fourth proportional to 28,190.00, 42,285.71 and 9,470.70 is: 14,206.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,190.00 : 42,285.71 = 9,470.70 : x
  2. Step 2: Convert to fraction form
    28,190.00/42,285.71 = 9,470.70/x
  3. Step 3: Cross multiply
    28,190.00x = 42,285.71 × 9,470.70
  4. Step 4: Simplify right side
    28,190.00x = 400,475,297.37
  5. Step 5: Solve for x
    x = 400,475,297.37/28,190.00
  6. Step 6: Final answer
    x = 14,206.29

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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.