Home / 25,650.10-35,382.91-15,037.69

Finding the Fourth Proportional to 25,650.10, 35,382.91 and 15,037.69

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Solution

The fourth proportional to 25,650.10, 35,382.91 and 15,037.69 is: 20,743.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,650.10 : 35,382.91 = 15,037.69 : x
  2. Step 2: Convert to fraction form
    25,650.10/35,382.91 = 15,037.69/x
  3. Step 3: Cross multiply
    25,650.10x = 35,382.91 × 15,037.69
  4. Step 4: Simplify right side
    25,650.10x = 532,077,231.88
  5. Step 5: Solve for x
    x = 532,077,231.88/25,650.10
  6. Step 6: Final answer
    x = 20,743.67

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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.