Home / 25,675.36-35,424.48-15,065.44

Finding the Fourth Proportional to 25,675.36, 35,424.48 and 15,065.44

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Solution

The fourth proportional to 25,675.36, 35,424.48 and 15,065.44 is: 20,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,675.36 : 35,424.48 = 15,065.44 : x
  2. Step 2: Convert to fraction form
    25,675.36/35,424.48 = 15,065.44/x
  3. Step 3: Cross multiply
    25,675.36x = 35,424.48 × 15,065.44
  4. Step 4: Simplify right side
    25,675.36x = 533,685,377.97
  5. Step 5: Solve for x
    x = 533,685,377.97/25,675.36
  6. Step 6: Final answer
    x = 20,785.90

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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.