Home / 25,578.05-38,325.35-15,696.45

Finding the Fourth Proportional to 25,578.05, 38,325.35 and 15,696.45

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Solution

The fourth proportional to 25,578.05, 38,325.35 and 15,696.45 is: 23,519.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,578.05 : 38,325.35 = 15,696.45 : x
  2. Step 2: Convert to fraction form
    25,578.05/38,325.35 = 15,696.45/x
  3. Step 3: Cross multiply
    25,578.05x = 38,325.35 × 15,696.45
  4. Step 4: Simplify right side
    25,578.05x = 601,571,979.25
  5. Step 5: Solve for x
    x = 601,571,979.25/25,578.05
  6. Step 6: Final answer
    x = 23,519.08

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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.