Home / 27,073.32-37,348.74-15,887.40

Finding the Fourth Proportional to 27,073.32, 37,348.74 and 15,887.40

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Solution

The fourth proportional to 27,073.32, 37,348.74 and 15,887.40 is: 21,917.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,073.32 : 37,348.74 = 15,887.40 : x
  2. Step 2: Convert to fraction form
    27,073.32/37,348.74 = 15,887.40/x
  3. Step 3: Cross multiply
    27,073.32x = 37,348.74 × 15,887.40
  4. Step 4: Simplify right side
    27,073.32x = 593,374,371.88
  5. Step 5: Solve for x
    x = 593,374,371.88/27,073.32
  6. Step 6: Final answer
    x = 21,917.31

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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.