Home / 27,979.14-38,627.64-17,374.62

Finding the Fourth Proportional to 27,979.14, 38,627.64 and 17,374.62

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Solution

The fourth proportional to 27,979.14, 38,627.64 and 17,374.62 is: 23,987.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,979.14 : 38,627.64 = 17,374.62 : x
  2. Step 2: Convert to fraction form
    27,979.14/38,627.64 = 17,374.62/x
  3. Step 3: Cross multiply
    27,979.14x = 38,627.64 × 17,374.62
  4. Step 4: Simplify right side
    27,979.14x = 671,140,566.50
  5. Step 5: Solve for x
    x = 671,140,566.50/27,979.14
  6. Step 6: Final answer
    x = 23,987.18

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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.