Home / 27,916.24-38,485.92-22,270.15

Finding the Fourth Proportional to 27,916.24, 38,485.92 and 22,270.15

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Solution

The fourth proportional to 27,916.24, 38,485.92 and 22,270.15 is: 30,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,916.24 : 38,485.92 = 22,270.15 : x
  2. Step 2: Convert to fraction form
    27,916.24/38,485.92 = 22,270.15/x
  3. Step 3: Cross multiply
    27,916.24x = 38,485.92 × 22,270.15
  4. Step 4: Simplify right side
    27,916.24x = 857,087,211.29
  5. Step 5: Solve for x
    x = 857,087,211.29/27,916.24
  6. Step 6: Final answer
    x = 30,702.10

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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.