Home / 27,908.03-38,512.40-15,970.60

Finding the Fourth Proportional to 27,908.03, 38,512.40 and 15,970.60

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Solution

The fourth proportional to 27,908.03, 38,512.40 and 15,970.60 is: 22,039.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,908.03 : 38,512.40 = 15,970.60 : x
  2. Step 2: Convert to fraction form
    27,908.03/38,512.40 = 15,970.60/x
  3. Step 3: Cross multiply
    27,908.03x = 38,512.40 × 15,970.60
  4. Step 4: Simplify right side
    27,908.03x = 615,066,079.09
  5. Step 5: Solve for x
    x = 615,066,079.09/27,908.03
  6. Step 6: Final answer
    x = 22,039.04

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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.