Home / 27,792.80-38,362.96-16,461.60

Finding the Fourth Proportional to 27,792.80, 38,362.96 and 16,461.60

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Solution

The fourth proportional to 27,792.80, 38,362.96 and 16,461.60 is: 22,722.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,792.80 : 38,362.96 = 16,461.60 : x
  2. Step 2: Convert to fraction form
    27,792.80/38,362.96 = 16,461.60/x
  3. Step 3: Cross multiply
    27,792.80x = 38,362.96 × 16,461.60
  4. Step 4: Simplify right side
    27,792.80x = 631,515,702.34
  5. Step 5: Solve for x
    x = 631,515,702.34/27,792.80
  6. Step 6: Final answer
    x = 22,722.28

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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.