Home / 27,916.80-38,521.52-17,167.24

Finding the Fourth Proportional to 27,916.80, 38,521.52 and 17,167.24

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Solution

The fourth proportional to 27,916.80, 38,521.52 and 17,167.24 is: 23,688.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,916.80 : 38,521.52 = 17,167.24 : x
  2. Step 2: Convert to fraction form
    27,916.80/38,521.52 = 17,167.24/x
  3. Step 3: Cross multiply
    27,916.80x = 38,521.52 × 17,167.24
  4. Step 4: Simplify right side
    27,916.80x = 661,308,179.00
  5. Step 5: Solve for x
    x = 661,308,179.00/27,916.80
  6. Step 6: Final answer
    x = 23,688.54

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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.