Home / 28,773.61-43,160.87-8,783.53

Finding the Fourth Proportional to 28,773.61, 43,160.87 and 8,783.53

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Solution

The fourth proportional to 28,773.61, 43,160.87 and 8,783.53 is: 13,175.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,773.61 : 43,160.87 = 8,783.53 : x
  2. Step 2: Convert to fraction form
    28,773.61/43,160.87 = 8,783.53/x
  3. Step 3: Cross multiply
    28,773.61x = 43,160.87 × 8,783.53
  4. Step 4: Simplify right side
    28,773.61x = 379,104,710.53
  5. Step 5: Solve for x
    x = 379,104,710.53/28,773.61
  6. Step 6: Final answer
    x = 13,175.43

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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.