Home / 20,274.16-27,946.56-18,644.83

Finding the Fourth Proportional to 20,274.16, 27,946.56 and 18,644.83

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Solution

The fourth proportional to 20,274.16, 27,946.56 and 18,644.83 is: 25,700.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,274.16 : 27,946.56 = 18,644.83 : x
  2. Step 2: Convert to fraction form
    20,274.16/27,946.56 = 18,644.83/x
  3. Step 3: Cross multiply
    20,274.16x = 27,946.56 × 18,644.83
  4. Step 4: Simplify right side
    20,274.16x = 521,058,860.28
  5. Step 5: Solve for x
    x = 521,058,860.28/20,274.16
  6. Step 6: Final answer
    x = 25,700.64

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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.