Home / 25,755.04-38,635.60-9,111.60

Finding the Fourth Proportional to 25,755.04, 38,635.60 and 9,111.60

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Solution

The fourth proportional to 25,755.04, 38,635.60 and 9,111.60 is: 13,668.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,755.04 : 38,635.60 = 9,111.60 : x
  2. Step 2: Convert to fraction form
    25,755.04/38,635.60 = 9,111.60/x
  3. Step 3: Cross multiply
    25,755.04x = 38,635.60 × 9,111.60
  4. Step 4: Simplify right side
    25,755.04x = 352,032,132.96
  5. Step 5: Solve for x
    x = 352,032,132.96/25,755.04
  6. Step 6: Final answer
    x = 13,668.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.