Home / 28,856.25-39,824.06-16,283.43

Finding the Fourth Proportional to 28,856.25, 39,824.06 and 16,283.43

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Solution

The fourth proportional to 28,856.25, 39,824.06 and 16,283.43 is: 22,472.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.25 : 39,824.06 = 16,283.43 : x
  2. Step 2: Convert to fraction form
    28,856.25/39,824.06 = 16,283.43/x
  3. Step 3: Cross multiply
    28,856.25x = 39,824.06 × 16,283.43
  4. Step 4: Simplify right side
    28,856.25x = 648,472,211.91
  5. Step 5: Solve for x
    x = 648,472,211.91/28,856.25
  6. Step 6: Final answer
    x = 22,472.50

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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.