Home / 43,380.87-59,866.98-28,283.28

Finding the Fourth Proportional to 43,380.87, 59,866.98 and 28,283.28

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Solution

The fourth proportional to 43,380.87, 59,866.98 and 28,283.28 is: 39,031.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,380.87 : 59,866.98 = 28,283.28 : x
  2. Step 2: Convert to fraction form
    43,380.87/59,866.98 = 28,283.28/x
  3. Step 3: Cross multiply
    43,380.87x = 59,866.98 × 28,283.28
  4. Step 4: Simplify right side
    43,380.87x = 1,693,234,558.09
  5. Step 5: Solve for x
    x = 1,693,234,558.09/43,380.87
  6. Step 6: Final answer
    x = 39,031.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.