Home / 27,911.84-38,519.05-15,164.89

Finding the Fourth Proportional to 27,911.84, 38,519.05 and 15,164.89

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Solution

The fourth proportional to 27,911.84, 38,519.05 and 15,164.89 is: 20,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,911.84 : 38,519.05 = 15,164.89 : x
  2. Step 2: Convert to fraction form
    27,911.84/38,519.05 = 15,164.89/x
  3. Step 3: Cross multiply
    27,911.84x = 38,519.05 × 15,164.89
  4. Step 4: Simplify right side
    27,911.84x = 584,137,156.15
  5. Step 5: Solve for x
    x = 584,137,156.15/27,911.84
  6. Step 6: Final answer
    x = 20,927.94

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1.5x scale

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.