Home / 27,853.04-38,442.11-16,528.78

Finding the Fourth Proportional to 27,853.04, 38,442.11 and 16,528.78

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Solution

The fourth proportional to 27,853.04, 38,442.11 and 16,528.78 is: 22,812.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,853.04 : 38,442.11 = 16,528.78 : x
  2. Step 2: Convert to fraction form
    27,853.04/38,442.11 = 16,528.78/x
  3. Step 3: Cross multiply
    27,853.04x = 38,442.11 × 16,528.78
  4. Step 4: Simplify right side
    27,853.04x = 635,401,178.93
  5. Step 5: Solve for x
    x = 635,401,178.93/27,853.04
  6. Step 6: Final answer
    x = 22,812.63

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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.