Home / 28,542.39-42,834.62-13,549.56

Finding the Fourth Proportional to 28,542.39, 42,834.62 and 13,549.56

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Solution

The fourth proportional to 28,542.39, 42,834.62 and 13,549.56 is: 20,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542.39 : 42,834.62 = 13,549.56 : x
  2. Step 2: Convert to fraction form
    28,542.39/42,834.62 = 13,549.56/x
  3. Step 3: Cross multiply
    28,542.39x = 42,834.62 × 13,549.56
  4. Step 4: Simplify right side
    28,542.39x = 580,390,186.02
  5. Step 5: Solve for x
    x = 580,390,186.02/28,542.39
  6. Step 6: Final answer
    x = 20,334.32

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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.