Home / 27,916.76-38,520.79-16,585.97

Finding the Fourth Proportional to 27,916.76, 38,520.79 and 16,585.97

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Solution

The fourth proportional to 27,916.76, 38,520.79 and 16,585.97 is: 22,886.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,916.76 : 38,520.79 = 16,585.97 : x
  2. Step 2: Convert to fraction form
    27,916.76/38,520.79 = 16,585.97/x
  3. Step 3: Cross multiply
    27,916.76x = 38,520.79 × 16,585.97
  4. Step 4: Simplify right side
    27,916.76x = 638,904,433.25
  5. Step 5: Solve for x
    x = 638,904,433.25/27,916.76
  6. Step 6: Final answer
    x = 22,886.05

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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.