Home / 27,918.72-38,527.74-15,982.02

Finding the Fourth Proportional to 27,918.72, 38,527.74 and 15,982.02

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Solution

The fourth proportional to 27,918.72, 38,527.74 and 15,982.02 is: 22,055.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,918.72 : 38,527.74 = 15,982.02 : x
  2. Step 2: Convert to fraction form
    27,918.72/38,527.74 = 15,982.02/x
  3. Step 3: Cross multiply
    27,918.72x = 38,527.74 × 15,982.02
  4. Step 4: Simplify right side
    27,918.72x = 615,751,111.23
  5. Step 5: Solve for x
    x = 615,751,111.23/27,918.72
  6. Step 6: Final answer
    x = 22,055.13

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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.