Home / 27,816.84-38,386.98-15,242.04

Finding the Fourth Proportional to 27,816.84, 38,386.98 and 15,242.04

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Solution

The fourth proportional to 27,816.84, 38,386.98 and 15,242.04 is: 21,033.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,816.84 : 38,386.98 = 15,242.04 : x
  2. Step 2: Convert to fraction form
    27,816.84/38,386.98 = 15,242.04/x
  3. Step 3: Cross multiply
    27,816.84x = 38,386.98 × 15,242.04
  4. Step 4: Simplify right side
    27,816.84x = 585,095,884.64
  5. Step 5: Solve for x
    x = 585,095,884.64/27,816.84
  6. Step 6: Final answer
    x = 21,033.87

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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.