Home / 34,371.36-51,510.96-28,288.80

Finding the Fourth Proportional to 34,371.36, 51,510.96 and 28,288.80

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Solution

The fourth proportional to 34,371.36, 51,510.96 and 28,288.80 is: 42,395.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,371.36 : 51,510.96 = 28,288.80 : x
  2. Step 2: Convert to fraction form
    34,371.36/51,510.96 = 28,288.80/x
  3. Step 3: Cross multiply
    34,371.36x = 51,510.96 × 28,288.80
  4. Step 4: Simplify right side
    34,371.36x = 1,457,183,245.25
  5. Step 5: Solve for x
    x = 1,457,183,245.25/34,371.36
  6. Step 6: Final answer
    x = 42,395.27

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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.