Home / 27,830.03-38,412.70-17,213.49

Finding the Fourth Proportional to 27,830.03, 38,412.70 and 17,213.49

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Solution

The fourth proportional to 27,830.03, 38,412.70 and 17,213.49 is: 23,759.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,830.03 : 38,412.70 = 17,213.49 : x
  2. Step 2: Convert to fraction form
    27,830.03/38,412.70 = 17,213.49/x
  3. Step 3: Cross multiply
    27,830.03x = 38,412.70 × 17,213.49
  4. Step 4: Simplify right side
    27,830.03x = 661,216,584.29
  5. Step 5: Solve for x
    x = 661,216,584.29/27,830.03
  6. Step 6: Final answer
    x = 23,759.11

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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.