Home / 28,621.44-42,941.43-13,832.01

Finding the Fourth Proportional to 28,621.44, 42,941.43 and 13,832.01

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Solution

The fourth proportional to 28,621.44, 42,941.43 and 13,832.01 is: 20,752.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,621.44 : 42,941.43 = 13,832.01 : x
  2. Step 2: Convert to fraction form
    28,621.44/42,941.43 = 13,832.01/x
  3. Step 3: Cross multiply
    28,621.44x = 42,941.43 × 13,832.01
  4. Step 4: Simplify right side
    28,621.44x = 593,966,289.17
  5. Step 5: Solve for x
    x = 593,966,289.17/28,621.44
  6. Step 6: Final answer
    x = 20,752.49

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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.