Home / 28,086.21-42,133.64-10,557.27

Finding the Fourth Proportional to 28,086.21, 42,133.64 and 10,557.27

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Solution

The fourth proportional to 28,086.21, 42,133.64 and 10,557.27 is: 15,837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,086.21 : 42,133.64 = 10,557.27 : x
  2. Step 2: Convert to fraction form
    28,086.21/42,133.64 = 10,557.27/x
  3. Step 3: Cross multiply
    28,086.21x = 42,133.64 × 10,557.27
  4. Step 4: Simplify right side
    28,086.21x = 444,816,160.78
  5. Step 5: Solve for x
    x = 444,816,160.78/28,086.21
  6. Step 6: Final answer
    x = 15,837.53

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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.