Home / 28,240.60-42,352.24-9,515.62

Finding the Fourth Proportional to 28,240.60, 42,352.24 and 9,515.62

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Solution

The fourth proportional to 28,240.60, 42,352.24 and 9,515.62 is: 14,270.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.60 : 42,352.24 = 9,515.62 : x
  2. Step 2: Convert to fraction form
    28,240.60/42,352.24 = 9,515.62/x
  3. Step 3: Cross multiply
    28,240.60x = 42,352.24 × 9,515.62
  4. Step 4: Simplify right side
    28,240.60x = 403,007,821.99
  5. Step 5: Solve for x
    x = 403,007,821.99/28,240.60
  6. Step 6: Final answer
    x = 14,270.51

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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.