Home / 28,620.18-39,475.89-27,656.82

Finding the Fourth Proportional to 28,620.18, 39,475.89 and 27,656.82

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Solution

The fourth proportional to 28,620.18, 39,475.89 and 27,656.82 is: 38,147.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,620.18 : 39,475.89 = 27,656.82 : x
  2. Step 2: Convert to fraction form
    28,620.18/39,475.89 = 27,656.82/x
  3. Step 3: Cross multiply
    28,620.18x = 39,475.89 × 27,656.82
  4. Step 4: Simplify right side
    28,620.18x = 1,091,777,584.07
  5. Step 5: Solve for x
    x = 1,091,777,584.07/28,620.18
  6. Step 6: Final answer
    x = 38,147.13

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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.