Home / 27,316.73-37,699.28-15,379.35

Finding the Fourth Proportional to 27,316.73, 37,699.28 and 15,379.35

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Solution

The fourth proportional to 27,316.73, 37,699.28 and 15,379.35 is: 21,224.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,316.73 : 37,699.28 = 15,379.35 : x
  2. Step 2: Convert to fraction form
    27,316.73/37,699.28 = 15,379.35/x
  3. Step 3: Cross multiply
    27,316.73x = 37,699.28 × 15,379.35
  4. Step 4: Simplify right side
    27,316.73x = 579,790,344.97
  5. Step 5: Solve for x
    x = 579,790,344.97/27,316.73
  6. Step 6: Final answer
    x = 21,224.74

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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.