Home / 28,560.54-42,842.41-8,837.56

Finding the Fourth Proportional to 28,560.54, 42,842.41 and 8,837.56

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Solution

The fourth proportional to 28,560.54, 42,842.41 and 8,837.56 is: 13,256.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560.54 : 42,842.41 = 8,837.56 : x
  2. Step 2: Convert to fraction form
    28,560.54/42,842.41 = 8,837.56/x
  3. Step 3: Cross multiply
    28,560.54x = 42,842.41 × 8,837.56
  4. Step 4: Simplify right side
    28,560.54x = 378,622,368.92
  5. Step 5: Solve for x
    x = 378,622,368.92/28,560.54
  6. Step 6: Final answer
    x = 13,256.84

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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.