Home / 27,579.84-38,060.22-15,004.59

Finding the Fourth Proportional to 27,579.84, 38,060.22 and 15,004.59

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Solution

The fourth proportional to 27,579.84, 38,060.22 and 15,004.59 is: 20,706.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579.84 : 38,060.22 = 15,004.59 : x
  2. Step 2: Convert to fraction form
    27,579.84/38,060.22 = 15,004.59/x
  3. Step 3: Cross multiply
    27,579.84x = 38,060.22 × 15,004.59
  4. Step 4: Simplify right side
    27,579.84x = 571,077,996.41
  5. Step 5: Solve for x
    x = 571,077,996.41/27,579.84
  6. Step 6: Final answer
    x = 20,706.36

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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.