Home / 28,825.56-39,778.98-16,254.36

Finding the Fourth Proportional to 28,825.56, 39,778.98 and 16,254.36

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Solution

The fourth proportional to 28,825.56, 39,778.98 and 16,254.36 is: 22,430.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.56 : 39,778.98 = 16,254.36 : x
  2. Step 2: Convert to fraction form
    28,825.56/39,778.98 = 16,254.36/x
  3. Step 3: Cross multiply
    28,825.56x = 39,778.98 × 16,254.36
  4. Step 4: Simplify right side
    28,825.56x = 646,581,861.35
  5. Step 5: Solve for x
    x = 646,581,861.35/28,825.56
  6. Step 6: Final answer
    x = 22,430.85

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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.