Home / 20,274.28-27,916.56-18,373.48

Finding the Fourth Proportional to 20,274.28, 27,916.56 and 18,373.48

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Solution

The fourth proportional to 20,274.28, 27,916.56 and 18,373.48 is: 25,299.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,274.28 : 27,916.56 = 18,373.48 : x
  2. Step 2: Convert to fraction form
    20,274.28/27,916.56 = 18,373.48/x
  3. Step 3: Cross multiply
    20,274.28x = 27,916.56 × 18,373.48
  4. Step 4: Simplify right side
    20,274.28x = 512,924,356.83
  5. Step 5: Solve for x
    x = 512,924,356.83/20,274.28
  6. Step 6: Final answer
    x = 25,299.26

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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.