Home / 28,511.28-42,709.44-23,877.60

Finding the Fourth Proportional to 28,511.28, 42,709.44 and 23,877.60

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Solution

The fourth proportional to 28,511.28, 42,709.44 and 23,877.60 is: 35,768.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,511.28 : 42,709.44 = 23,877.60 : x
  2. Step 2: Convert to fraction form
    28,511.28/42,709.44 = 23,877.60/x
  3. Step 3: Cross multiply
    28,511.28x = 42,709.44 × 23,877.60
  4. Step 4: Simplify right side
    28,511.28x = 1,019,798,924.54
  5. Step 5: Solve for x
    x = 1,019,798,924.54/28,511.28
  6. Step 6: Final answer
    x = 35,768.26

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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.