Home / 25,451.43-35,150.43-19,852.71

Finding the Fourth Proportional to 25,451.43, 35,150.43 and 19,852.71

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Solution

The fourth proportional to 25,451.43, 35,150.43 and 19,852.71 is: 27,418.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451.43 : 35,150.43 = 19,852.71 : x
  2. Step 2: Convert to fraction form
    25,451.43/35,150.43 = 19,852.71/x
  3. Step 3: Cross multiply
    25,451.43x = 35,150.43 × 19,852.71
  4. Step 4: Simplify right side
    25,451.43x = 697,831,293.17
  5. Step 5: Solve for x
    x = 697,831,293.17/25,451.43
  6. Step 6: Final answer
    x = 27,418.16

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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.