Home / 25,214.57-34,795.91-15,012.60

Finding the Fourth Proportional to 25,214.57, 34,795.91 and 15,012.60

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Solution

The fourth proportional to 25,214.57, 34,795.91 and 15,012.60 is: 20,717.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,214.57 : 34,795.91 = 15,012.60 : x
  2. Step 2: Convert to fraction form
    25,214.57/34,795.91 = 15,012.60/x
  3. Step 3: Cross multiply
    25,214.57x = 34,795.91 × 15,012.60
  4. Step 4: Simplify right side
    25,214.57x = 522,377,143.46
  5. Step 5: Solve for x
    x = 522,377,143.46/25,214.57
  6. Step 6: Final answer
    x = 20,717.27

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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.