Home / 28,684.80-43,030.44-13,901.76

Finding the Fourth Proportional to 28,684.80, 43,030.44 and 13,901.76

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Solution

The fourth proportional to 28,684.80, 43,030.44 and 13,901.76 is: 20,854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,684.80 : 43,030.44 = 13,901.76 : x
  2. Step 2: Convert to fraction form
    28,684.80/43,030.44 = 13,901.76/x
  3. Step 3: Cross multiply
    28,684.80x = 43,030.44 × 13,901.76
  4. Step 4: Simplify right side
    28,684.80x = 598,198,849.57
  5. Step 5: Solve for x
    x = 598,198,849.57/28,684.80
  6. Step 6: Final answer
    x = 20,854.21

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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.