Home / 25,722.18-35,512.56-19,742.40

Finding the Fourth Proportional to 25,722.18, 35,512.56 and 19,742.40

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Solution

The fourth proportional to 25,722.18, 35,512.56 and 19,742.40 is: 27,256.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,722.18 : 35,512.56 = 19,742.40 : x
  2. Step 2: Convert to fraction form
    25,722.18/35,512.56 = 19,742.40/x
  3. Step 3: Cross multiply
    25,722.18x = 35,512.56 × 19,742.40
  4. Step 4: Simplify right side
    25,722.18x = 701,103,164.54
  5. Step 5: Solve for x
    x = 701,103,164.54/25,722.18
  6. Step 6: Final answer
    x = 27,256.76

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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.