Home / 25,433.62-35,076.28-20,119.12

Finding the Fourth Proportional to 25,433.62, 35,076.28 and 20,119.12

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Solution

The fourth proportional to 25,433.62, 35,076.28 and 20,119.12 is: 27,746.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,433.62 : 35,076.28 = 20,119.12 : x
  2. Step 2: Convert to fraction form
    25,433.62/35,076.28 = 20,119.12/x
  3. Step 3: Cross multiply
    25,433.62x = 35,076.28 × 20,119.12
  4. Step 4: Simplify right side
    25,433.62x = 705,703,886.47
  5. Step 5: Solve for x
    x = 705,703,886.47/25,433.62
  6. Step 6: Final answer
    x = 27,746.89

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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.