Home / 25,512.67-35,209.89-15,443.62

Finding the Fourth Proportional to 25,512.67, 35,209.89 and 15,443.62

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Solution

The fourth proportional to 25,512.67, 35,209.89 and 15,443.62 is: 21,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,512.67 : 35,209.89 = 15,443.62 : x
  2. Step 2: Convert to fraction form
    25,512.67/35,209.89 = 15,443.62/x
  3. Step 3: Cross multiply
    25,512.67x = 35,209.89 × 15,443.62
  4. Step 4: Simplify right side
    25,512.67x = 543,768,161.40
  5. Step 5: Solve for x
    x = 543,768,161.40/25,512.67
  6. Step 6: Final answer
    x = 21,313.65

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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.