Home / 28,912.93-39,901.37-17,580.55

Finding the Fourth Proportional to 28,912.93, 39,901.37 and 17,580.55

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Solution

The fourth proportional to 28,912.93, 39,901.37 and 17,580.55 is: 24,262.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912.93 : 39,901.37 = 17,580.55 : x
  2. Step 2: Convert to fraction form
    28,912.93/39,901.37 = 17,580.55/x
  3. Step 3: Cross multiply
    28,912.93x = 39,901.37 × 17,580.55
  4. Step 4: Simplify right side
    28,912.93x = 701,487,842.70
  5. Step 5: Solve for x
    x = 701,487,842.70/28,912.93
  6. Step 6: Final answer
    x = 24,262.08

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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.