Home / 25,403.79-38,107.53-8,763.60

Finding the Fourth Proportional to 25,403.79, 38,107.53 and 8,763.60

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Solution

The fourth proportional to 25,403.79, 38,107.53 and 8,763.60 is: 13,146.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,403.79 : 38,107.53 = 8,763.60 : x
  2. Step 2: Convert to fraction form
    25,403.79/38,107.53 = 8,763.60/x
  3. Step 3: Cross multiply
    25,403.79x = 38,107.53 × 8,763.60
  4. Step 4: Simplify right side
    25,403.79x = 333,959,149.91
  5. Step 5: Solve for x
    x = 333,959,149.91/25,403.79
  6. Step 6: Final answer
    x = 13,146.04

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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.