Home / 48,715.86-67,228.20-28,568.64

Finding the Fourth Proportional to 48,715.86, 67,228.20 and 28,568.64

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Solution

The fourth proportional to 48,715.86, 67,228.20 and 28,568.64 is: 39,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,715.86 : 67,228.20 = 28,568.64 : x
  2. Step 2: Convert to fraction form
    48,715.86/67,228.20 = 28,568.64/x
  3. Step 3: Cross multiply
    48,715.86x = 67,228.20 × 28,568.64
  4. Step 4: Simplify right side
    48,715.86x = 1,920,618,243.65
  5. Step 5: Solve for x
    x = 1,920,618,243.65/48,715.86
  6. Step 6: Final answer
    x = 39,424.91

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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.