Home / 28,035.10-38,691.53-17,277.81

Finding the Fourth Proportional to 28,035.10, 38,691.53 and 17,277.81

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Solution

The fourth proportional to 28,035.10, 38,691.53 and 17,277.81 is: 23,845.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.10 : 38,691.53 = 17,277.81 : x
  2. Step 2: Convert to fraction form
    28,035.10/38,691.53 = 17,277.81/x
  3. Step 3: Cross multiply
    28,035.10x = 38,691.53 × 17,277.81
  4. Step 4: Simplify right side
    28,035.10x = 668,504,903.95
  5. Step 5: Solve for x
    x = 668,504,903.95/28,035.10
  6. Step 6: Final answer
    x = 23,845.28

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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.