Home / 27,405-37,818.90-14,829.75

Finding the Fourth Proportional to 27,405, 37,818.90 and 14,829.75

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Solution

The fourth proportional to 27,405, 37,818.90 and 14,829.75 is: 20,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,405 : 37,818.90 = 14,829.75 : x
  2. Step 2: Convert to fraction form
    27,405/37,818.90 = 14,829.75/x
  3. Step 3: Cross multiply
    27,405x = 37,818.90 × 14,829.75
  4. Step 4: Simplify right side
    27,405x = 560,844,832.28
  5. Step 5: Solve for x
    x = 560,844,832.28/27,405
  6. Step 6: Final answer
    x = 20,465.06

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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.