Home / 28,572.36-42,858.90-8,850.84

Finding the Fourth Proportional to 28,572.36, 42,858.90 and 8,850.84

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Solution

The fourth proportional to 28,572.36, 42,858.90 and 8,850.84 is: 13,276.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,572.36 : 42,858.90 = 8,850.84 : x
  2. Step 2: Convert to fraction form
    28,572.36/42,858.90 = 8,850.84/x
  3. Step 3: Cross multiply
    28,572.36x = 42,858.90 × 8,850.84
  4. Step 4: Simplify right side
    28,572.36x = 379,337,266.48
  5. Step 5: Solve for x
    x = 379,337,266.48/28,572.36
  6. Step 6: Final answer
    x = 13,276.37

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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.