Home / 18,984.43-28,438.36-15,895.29

Finding the Fourth Proportional to 18,984.43, 28,438.36 and 15,895.29

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Solution

The fourth proportional to 18,984.43, 28,438.36 and 15,895.29 is: 23,810.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.43 : 28,438.36 = 15,895.29 : x
  2. Step 2: Convert to fraction form
    18,984.43/28,438.36 = 15,895.29/x
  3. Step 3: Cross multiply
    18,984.43x = 28,438.36 × 15,895.29
  4. Step 4: Simplify right side
    18,984.43x = 452,035,979.32
  5. Step 5: Solve for x
    x = 452,035,979.32/18,984.43
  6. Step 6: Final answer
    x = 23,810.88

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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.