Home / 27,631.04-38,143.64-16,296.72

Finding the Fourth Proportional to 27,631.04, 38,143.64 and 16,296.72

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Solution

The fourth proportional to 27,631.04, 38,143.64 and 16,296.72 is: 22,497.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.04 : 38,143.64 = 16,296.72 : x
  2. Step 2: Convert to fraction form
    27,631.04/38,143.64 = 16,296.72/x
  3. Step 3: Cross multiply
    27,631.04x = 38,143.64 × 16,296.72
  4. Step 4: Simplify right side
    27,631.04x = 621,616,220.86
  5. Step 5: Solve for x
    x = 621,616,220.86/27,631.04
  6. Step 6: Final answer
    x = 22,497.03

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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.