Home / 28,817.14-39,767.62-15,569.14

Finding the Fourth Proportional to 28,817.14, 39,767.62 and 15,569.14

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Solution

The fourth proportional to 28,817.14, 39,767.62 and 15,569.14 is: 21,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817.14 : 39,767.62 = 15,569.14 : x
  2. Step 2: Convert to fraction form
    28,817.14/39,767.62 = 15,569.14/x
  3. Step 3: Cross multiply
    28,817.14x = 39,767.62 × 15,569.14
  4. Step 4: Simplify right side
    28,817.14x = 619,147,643.25
  5. Step 5: Solve for x
    x = 619,147,643.25/28,817.14
  6. Step 6: Final answer
    x = 21,485.40

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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.