Home / 25,465.72-35,144.12-15,394.12

Finding the Fourth Proportional to 25,465.72, 35,144.12 and 15,394.12

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Solution

The fourth proportional to 25,465.72, 35,144.12 and 15,394.12 is: 21,244.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,465.72 : 35,144.12 = 15,394.12 : x
  2. Step 2: Convert to fraction form
    25,465.72/35,144.12 = 15,394.12/x
  3. Step 3: Cross multiply
    25,465.72x = 35,144.12 × 15,394.12
  4. Step 4: Simplify right side
    25,465.72x = 541,012,800.57
  5. Step 5: Solve for x
    x = 541,012,800.57/25,465.72
  6. Step 6: Final answer
    x = 21,244.75

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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.