Home / 27,013.38-37,278.51-15,076.72

Finding the Fourth Proportional to 27,013.38, 37,278.51 and 15,076.72

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Solution

The fourth proportional to 27,013.38, 37,278.51 and 15,076.72 is: 20,805.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,013.38 : 37,278.51 = 15,076.72 : x
  2. Step 2: Convert to fraction form
    27,013.38/37,278.51 = 15,076.72/x
  3. Step 3: Cross multiply
    27,013.38x = 37,278.51 × 15,076.72
  4. Step 4: Simplify right side
    27,013.38x = 562,037,522.46
  5. Step 5: Solve for x
    x = 562,037,522.46/27,013.38
  6. Step 6: Final answer
    x = 20,805.89

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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.