Home / 25,960.11-35,838.72-20,799.47

Finding the Fourth Proportional to 25,960.11, 35,838.72 and 20,799.47

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Solution

The fourth proportional to 25,960.11, 35,838.72 and 20,799.47 is: 28,714.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,960.11 : 35,838.72 = 20,799.47 : x
  2. Step 2: Convert to fraction form
    25,960.11/35,838.72 = 20,799.47/x
  3. Step 3: Cross multiply
    25,960.11x = 35,838.72 × 20,799.47
  4. Step 4: Simplify right side
    25,960.11x = 745,426,202.28
  5. Step 5: Solve for x
    x = 745,426,202.28/25,960.11
  6. Step 6: Final answer
    x = 28,714.29

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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.