Home / 28,314.23-42,471.60-8,592.79

Finding the Fourth Proportional to 28,314.23, 42,471.60 and 8,592.79

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Solution

The fourth proportional to 28,314.23, 42,471.60 and 8,592.79 is: 12,889.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,314.23 : 42,471.60 = 8,592.79 : x
  2. Step 2: Convert to fraction form
    28,314.23/42,471.60 = 8,592.79/x
  3. Step 3: Cross multiply
    28,314.23x = 42,471.60 × 8,592.79
  4. Step 4: Simplify right side
    28,314.23x = 364,949,539.76
  5. Step 5: Solve for x
    x = 364,949,539.76/28,314.23
  6. Step 6: Final answer
    x = 12,889.26

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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.