Home / 27,864.16-38,446.86-16,528.69

Finding the Fourth Proportional to 27,864.16, 38,446.86 and 16,528.69

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Solution

The fourth proportional to 27,864.16, 38,446.86 and 16,528.69 is: 22,806.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,864.16 : 38,446.86 = 16,528.69 : x
  2. Step 2: Convert to fraction form
    27,864.16/38,446.86 = 16,528.69/x
  3. Step 3: Cross multiply
    27,864.16x = 38,446.86 × 16,528.69
  4. Step 4: Simplify right side
    27,864.16x = 635,476,147.77
  5. Step 5: Solve for x
    x = 635,476,147.77/27,864.16
  6. Step 6: Final answer
    x = 22,806.22

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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.