Home / 18,274.72-27,333.96-15,254.40

Finding the Fourth Proportional to 18,274.72, 27,333.96 and 15,254.40

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Solution

The fourth proportional to 18,274.72, 27,333.96 and 15,254.40 is: 22,816.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.72 : 27,333.96 = 15,254.40 : x
  2. Step 2: Convert to fraction form
    18,274.72/27,333.96 = 15,254.40/x
  3. Step 3: Cross multiply
    18,274.72x = 27,333.96 × 15,254.40
  4. Step 4: Simplify right side
    18,274.72x = 416,963,159.42
  5. Step 5: Solve for x
    x = 416,963,159.42/18,274.72
  6. Step 6: Final answer
    x = 22,816.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.