Home / 28,890.27-43,346.34-13,304.25

Finding the Fourth Proportional to 28,890.27, 43,346.34 and 13,304.25

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Solution

The fourth proportional to 28,890.27, 43,346.34 and 13,304.25 is: 19,961.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,890.27 : 43,346.34 = 13,304.25 : x
  2. Step 2: Convert to fraction form
    28,890.27/43,346.34 = 13,304.25/x
  3. Step 3: Cross multiply
    28,890.27x = 43,346.34 × 13,304.25
  4. Step 4: Simplify right side
    28,890.27x = 576,690,543.95
  5. Step 5: Solve for x
    x = 576,690,543.95/28,890.27
  6. Step 6: Final answer
    x = 19,961.41

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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.