Home / 27,823.51-38,409.74-15,884.54

Finding the Fourth Proportional to 27,823.51, 38,409.74 and 15,884.54

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Solution

The fourth proportional to 27,823.51, 38,409.74 and 15,884.54 is: 21,928.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,823.51 : 38,409.74 = 15,884.54 : x
  2. Step 2: Convert to fraction form
    27,823.51/38,409.74 = 15,884.54/x
  3. Step 3: Cross multiply
    27,823.51x = 38,409.74 × 15,884.54
  4. Step 4: Simplify right side
    27,823.51x = 610,121,051.42
  5. Step 5: Solve for x
    x = 610,121,051.42/27,823.51
  6. Step 6: Final answer
    x = 21,928.26

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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.