Home / 27,569.16-38,045.70-16,389

Finding the Fourth Proportional to 27,569.16, 38,045.70 and 16,389

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Solution

The fourth proportional to 27,569.16, 38,045.70 and 16,389 is: 22,616.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,569.16 : 38,045.70 = 16,389 : x
  2. Step 2: Convert to fraction form
    27,569.16/38,045.70 = 16,389/x
  3. Step 3: Cross multiply
    27,569.16x = 38,045.70 × 16,389
  4. Step 4: Simplify right side
    27,569.16x = 623,530,977.30
  5. Step 5: Solve for x
    x = 623,530,977.30/27,569.16
  6. Step 6: Final answer
    x = 22,616.97

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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.