Home / 20,574.88-30,877.94-13,552.52

Finding the Fourth Proportional to 20,574.88, 30,877.94 and 13,552.52

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Solution

The fourth proportional to 20,574.88, 30,877.94 and 13,552.52 is: 20,339.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,574.88 : 30,877.94 = 13,552.52 : x
  2. Step 2: Convert to fraction form
    20,574.88/30,877.94 = 13,552.52/x
  3. Step 3: Cross multiply
    20,574.88x = 30,877.94 × 13,552.52
  4. Step 4: Simplify right side
    20,574.88x = 418,473,778.90
  5. Step 5: Solve for x
    x = 418,473,778.90/20,574.88
  6. Step 6: Final answer
    x = 20,339.07

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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.