Home / 40,382.80-60,509.40-26,515.60

Finding the Fourth Proportional to 40,382.80, 60,509.40 and 26,515.60

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Solution

The fourth proportional to 40,382.80, 60,509.40 and 26,515.60 is: 39,730.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,382.80 : 60,509.40 = 26,515.60 : x
  2. Step 2: Convert to fraction form
    40,382.80/60,509.40 = 26,515.60/x
  3. Step 3: Cross multiply
    40,382.80x = 60,509.40 × 26,515.60
  4. Step 4: Simplify right side
    40,382.80x = 1,604,443,046.64
  5. Step 5: Solve for x
    x = 1,604,443,046.64/40,382.80
  6. Step 6: Final answer
    x = 39,730.85

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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.