Home / 28,537.13-39,381.38-15,961.88

Finding the Fourth Proportional to 28,537.13, 39,381.38 and 15,961.88

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Solution

The fourth proportional to 28,537.13, 39,381.38 and 15,961.88 is: 22,027.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,537.13 : 39,381.38 = 15,961.88 : x
  2. Step 2: Convert to fraction form
    28,537.13/39,381.38 = 15,961.88/x
  3. Step 3: Cross multiply
    28,537.13x = 39,381.38 × 15,961.88
  4. Step 4: Simplify right side
    28,537.13x = 628,600,585.08
  5. Step 5: Solve for x
    x = 628,600,585.08/28,537.13
  6. Step 6: Final answer
    x = 22,027.47

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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.