Home / 27,577.92-38,051.16-15,638.52

Finding the Fourth Proportional to 27,577.92, 38,051.16 and 15,638.52

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Solution

The fourth proportional to 27,577.92, 38,051.16 and 15,638.52 is: 21,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,577.92 : 38,051.16 = 15,638.52 : x
  2. Step 2: Convert to fraction form
    27,577.92/38,051.16 = 15,638.52/x
  3. Step 3: Cross multiply
    27,577.92x = 38,051.16 × 15,638.52
  4. Step 4: Simplify right side
    27,577.92x = 595,063,826.68
  5. Step 5: Solve for x
    x = 595,063,826.68/27,577.92
  6. Step 6: Final answer
    x = 21,577.55

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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.