Home / 28,056.16-42,086.48-16,370.56

Finding the Fourth Proportional to 28,056.16, 42,086.48 and 16,370.56

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Solution

The fourth proportional to 28,056.16, 42,086.48 and 16,370.56 is: 24,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,056.16 : 42,086.48 = 16,370.56 : x
  2. Step 2: Convert to fraction form
    28,056.16/42,086.48 = 16,370.56/x
  3. Step 3: Cross multiply
    28,056.16x = 42,086.48 × 16,370.56
  4. Step 4: Simplify right side
    28,056.16x = 688,979,246.03
  5. Step 5: Solve for x
    x = 688,979,246.03/28,056.16
  6. Step 6: Final answer
    x = 24,557.15

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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.