Home / 27,901.70-38,504.34-15,326.45

Finding the Fourth Proportional to 27,901.70, 38,504.34 and 15,326.45

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Solution

The fourth proportional to 27,901.70, 38,504.34 and 15,326.45 is: 21,150.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,901.70 : 38,504.34 = 15,326.45 : x
  2. Step 2: Convert to fraction form
    27,901.70/38,504.34 = 15,326.45/x
  3. Step 3: Cross multiply
    27,901.70x = 38,504.34 × 15,326.45
  4. Step 4: Simplify right side
    27,901.70x = 590,134,649.27
  5. Step 5: Solve for x
    x = 590,134,649.27/27,901.70
  6. Step 6: Final answer
    x = 21,150.49

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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.