Home / 27,316.53-37,696.70-15,379.89

Finding the Fourth Proportional to 27,316.53, 37,696.70 and 15,379.89

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Solution

The fourth proportional to 27,316.53, 37,696.70 and 15,379.89 is: 21,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,316.53 : 37,696.70 = 15,379.89 : x
  2. Step 2: Convert to fraction form
    27,316.53/37,696.70 = 15,379.89/x
  3. Step 3: Cross multiply
    27,316.53x = 37,696.70 × 15,379.89
  4. Step 4: Simplify right side
    27,316.53x = 579,771,022.46
  5. Step 5: Solve for x
    x = 579,771,022.46/27,316.53
  6. Step 6: Final answer
    x = 21,224.18

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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.