Home / 28,280.03-42,402.61-9,558.30

Finding the Fourth Proportional to 28,280.03, 42,402.61 and 9,558.30

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Solution

The fourth proportional to 28,280.03, 42,402.61 and 9,558.30 is: 14,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,280.03 : 42,402.61 = 9,558.30 : x
  2. Step 2: Convert to fraction form
    28,280.03/42,402.61 = 9,558.30/x
  3. Step 3: Cross multiply
    28,280.03x = 42,402.61 × 9,558.30
  4. Step 4: Simplify right side
    28,280.03x = 405,296,819.37
  5. Step 5: Solve for x
    x = 405,296,819.37/28,280.03
  6. Step 6: Final answer
    x = 14,331.56

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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.