Home / 27,911.84-38,502.96-17,684.16

Finding the Fourth Proportional to 27,911.84, 38,502.96 and 17,684.16

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Solution

The fourth proportional to 27,911.84, 38,502.96 and 17,684.16 is: 24,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,911.84 : 38,502.96 = 17,684.16 : x
  2. Step 2: Convert to fraction form
    27,911.84/38,502.96 = 17,684.16/x
  3. Step 3: Cross multiply
    27,911.84x = 38,502.96 × 17,684.16
  4. Step 4: Simplify right side
    27,911.84x = 680,892,505.11
  5. Step 5: Solve for x
    x = 680,892,505.11/27,911.84
  6. Step 6: Final answer
    x = 24,394.40

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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.