Home / 28,150.50-38,847.73-15,576.10

Finding the Fourth Proportional to 28,150.50, 38,847.73 and 15,576.10

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Solution

The fourth proportional to 28,150.50, 38,847.73 and 15,576.10 is: 21,495.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,150.50 : 38,847.73 = 15,576.10 : x
  2. Step 2: Convert to fraction form
    28,150.50/38,847.73 = 15,576.10/x
  3. Step 3: Cross multiply
    28,150.50x = 38,847.73 × 15,576.10
  4. Step 4: Simplify right side
    28,150.50x = 605,096,127.25
  5. Step 5: Solve for x
    x = 605,096,127.25/28,150.50
  6. Step 6: Final answer
    x = 21,495.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.