Home / 25,717.42-35,501.58-15,107.72

Finding the Fourth Proportional to 25,717.42, 35,501.58 and 15,107.72

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Solution

The fourth proportional to 25,717.42, 35,501.58 and 15,107.72 is: 20,855.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,717.42 : 35,501.58 = 15,107.72 : x
  2. Step 2: Convert to fraction form
    25,717.42/35,501.58 = 15,107.72/x
  3. Step 3: Cross multiply
    25,717.42x = 35,501.58 × 15,107.72
  4. Step 4: Simplify right side
    25,717.42x = 536,347,930.20
  5. Step 5: Solve for x
    x = 536,347,930.20/25,717.42
  6. Step 6: Final answer
    x = 20,855.43

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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.