Home / 28,217.24-42,289.02-15,736.76

Finding the Fourth Proportional to 28,217.24, 42,289.02 and 15,736.76

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Solution

The fourth proportional to 28,217.24, 42,289.02 and 15,736.76 is: 23,584.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,217.24 : 42,289.02 = 15,736.76 : x
  2. Step 2: Convert to fraction form
    28,217.24/42,289.02 = 15,736.76/x
  3. Step 3: Cross multiply
    28,217.24x = 42,289.02 × 15,736.76
  4. Step 4: Simplify right side
    28,217.24x = 665,492,158.38
  5. Step 5: Solve for x
    x = 665,492,158.38/28,217.24
  6. Step 6: Final answer
    x = 23,584.59

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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.