Home / 27,573.88-38,051.16-15,638.32

Finding the Fourth Proportional to 27,573.88, 38,051.16 and 15,638.32

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Solution

The fourth proportional to 27,573.88, 38,051.16 and 15,638.32 is: 21,580.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,573.88 : 38,051.16 = 15,638.32 : x
  2. Step 2: Convert to fraction form
    27,573.88/38,051.16 = 15,638.32/x
  3. Step 3: Cross multiply
    27,573.88x = 38,051.16 × 15,638.32
  4. Step 4: Simplify right side
    27,573.88x = 595,056,216.45
  5. Step 5: Solve for x
    x = 595,056,216.45/27,573.88
  6. Step 6: Final answer
    x = 21,580.43

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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.