Home / 27,875.25-38,467.98-15,300

Finding the Fourth Proportional to 27,875.25, 38,467.98 and 15,300

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Solution

The fourth proportional to 27,875.25, 38,467.98 and 15,300 is: 21,114.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,875.25 : 38,467.98 = 15,300 : x
  2. Step 2: Convert to fraction form
    27,875.25/38,467.98 = 15,300/x
  3. Step 3: Cross multiply
    27,875.25x = 38,467.98 × 15,300
  4. Step 4: Simplify right side
    27,875.25x = 588,560,094
  5. Step 5: Solve for x
    x = 588,560,094/27,875.25
  6. Step 6: Final answer
    x = 21,114.07

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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.