Home / 27,397-37,807.86-14,821.75

Finding the Fourth Proportional to 27,397, 37,807.86 and 14,821.75

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Solution

The fourth proportional to 27,397, 37,807.86 and 14,821.75 is: 20,454.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,397 : 37,807.86 = 14,821.75 : x
  2. Step 2: Convert to fraction form
    27,397/37,807.86 = 14,821.75/x
  3. Step 3: Cross multiply
    27,397x = 37,807.86 × 14,821.75
  4. Step 4: Simplify right side
    27,397x = 560,378,648.96
  5. Step 5: Solve for x
    x = 560,378,648.96/27,397
  6. Step 6: Final answer
    x = 20,454.02

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1.5x scale

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.