Home / 25,528.29-38,292.43-7,759.09

Finding the Fourth Proportional to 25,528.29, 38,292.43 and 7,759.09

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Solution

The fourth proportional to 25,528.29, 38,292.43 and 7,759.09 is: 11,638.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,528.29 : 38,292.43 = 7,759.09 : x
  2. Step 2: Convert to fraction form
    25,528.29/38,292.43 = 7,759.09/x
  3. Step 3: Cross multiply
    25,528.29x = 38,292.43 × 7,759.09
  4. Step 4: Simplify right side
    25,528.29x = 297,114,410.69
  5. Step 5: Solve for x
    x = 297,114,410.69/25,528.29
  6. Step 6: Final answer
    x = 11,638.63

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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.