Home / 28,483.72-42,752.39-14,453.82

Finding the Fourth Proportional to 28,483.72, 42,752.39 and 14,453.82

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Solution

The fourth proportional to 28,483.72, 42,752.39 and 14,453.82 is: 21,694.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,483.72 : 42,752.39 = 14,453.82 : x
  2. Step 2: Convert to fraction form
    28,483.72/42,752.39 = 14,453.82/x
  3. Step 3: Cross multiply
    28,483.72x = 42,752.39 × 14,453.82
  4. Step 4: Simplify right side
    28,483.72x = 617,935,135.87
  5. Step 5: Solve for x
    x = 617,935,135.87/28,483.72
  6. Step 6: Final answer
    x = 21,694.33

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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.