Home / 27,402.43-37,804.59-15,915.38

Finding the Fourth Proportional to 27,402.43, 37,804.59 and 15,915.38

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Solution

The fourth proportional to 27,402.43, 37,804.59 and 15,915.38 is: 21,956.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,402.43 : 37,804.59 = 15,915.38 : x
  2. Step 2: Convert to fraction form
    27,402.43/37,804.59 = 15,915.38/x
  3. Step 3: Cross multiply
    27,402.43x = 37,804.59 × 15,915.38
  4. Step 4: Simplify right side
    27,402.43x = 601,674,415.59
  5. Step 5: Solve for x
    x = 601,674,415.59/27,402.43
  6. Step 6: Final answer
    x = 21,956.97

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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.