Home / 21,836.16-30,124.32-14,760

Finding the Fourth Proportional to 21,836.16, 30,124.32 and 14,760

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Solution

The fourth proportional to 21,836.16, 30,124.32 and 14,760 is: 20,362.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,836.16 : 30,124.32 = 14,760 : x
  2. Step 2: Convert to fraction form
    21,836.16/30,124.32 = 14,760/x
  3. Step 3: Cross multiply
    21,836.16x = 30,124.32 × 14,760
  4. Step 4: Simplify right side
    21,836.16x = 444,634,963.20
  5. Step 5: Solve for x
    x = 444,634,963.20/21,836.16
  6. Step 6: Final answer
    x = 20,362.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.