Home / 25,979.88-35,852.04-20,320.41

Finding the Fourth Proportional to 25,979.88, 35,852.04 and 20,320.41

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Solution

The fourth proportional to 25,979.88, 35,852.04 and 20,320.41 is: 28,042.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,979.88 : 35,852.04 = 20,320.41 : x
  2. Step 2: Convert to fraction form
    25,979.88/35,852.04 = 20,320.41/x
  3. Step 3: Cross multiply
    25,979.88x = 35,852.04 × 20,320.41
  4. Step 4: Simplify right side
    25,979.88x = 728,528,152.14
  5. Step 5: Solve for x
    x = 728,528,152.14/25,979.88
  6. Step 6: Final answer
    x = 28,042.01

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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.