Home / 28,886.16-43,338.88-13,292

Finding the Fourth Proportional to 28,886.16, 43,338.88 and 13,292

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Solution

The fourth proportional to 28,886.16, 43,338.88 and 13,292 is: 19,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886.16 : 43,338.88 = 13,292 : x
  2. Step 2: Convert to fraction form
    28,886.16/43,338.88 = 13,292/x
  3. Step 3: Cross multiply
    28,886.16x = 43,338.88 × 13,292
  4. Step 4: Simplify right side
    28,886.16x = 576,060,392.96
  5. Step 5: Solve for x
    x = 576,060,392.96/28,886.16
  6. Step 6: Final answer
    x = 19,942.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.