Home / 25,434.50-35,091.21-15,359.12

Finding the Fourth Proportional to 25,434.50, 35,091.21 and 15,359.12

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Solution

The fourth proportional to 25,434.50, 35,091.21 and 15,359.12 is: 21,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,434.50 : 35,091.21 = 15,359.12 : x
  2. Step 2: Convert to fraction form
    25,434.50/35,091.21 = 15,359.12/x
  3. Step 3: Cross multiply
    25,434.50x = 35,091.21 × 15,359.12
  4. Step 4: Simplify right side
    25,434.50x = 538,969,929.88
  5. Step 5: Solve for x
    x = 538,969,929.88/25,434.50
  6. Step 6: Final answer
    x = 21,190.51

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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.