Home / 27,837.54-38,364.28-19,771.55

Finding the Fourth Proportional to 27,837.54, 38,364.28 and 19,771.55

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Solution

The fourth proportional to 27,837.54, 38,364.28 and 19,771.55 is: 27,248.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,837.54 : 38,364.28 = 19,771.55 : x
  2. Step 2: Convert to fraction form
    27,837.54/38,364.28 = 19,771.55/x
  3. Step 3: Cross multiply
    27,837.54x = 38,364.28 × 19,771.55
  4. Step 4: Simplify right side
    27,837.54x = 758,520,989.55
  5. Step 5: Solve for x
    x = 758,520,989.55/27,837.54
  6. Step 6: Final answer
    x = 27,248.13

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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.