Home / 28,475.66-39,296.82-16,539.00

Finding the Fourth Proportional to 28,475.66, 39,296.82 and 16,539.00

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Solution

The fourth proportional to 28,475.66, 39,296.82 and 16,539.00 is: 22,824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,475.66 : 39,296.82 = 16,539.00 : x
  2. Step 2: Convert to fraction form
    28,475.66/39,296.82 = 16,539.00/x
  3. Step 3: Cross multiply
    28,475.66x = 39,296.82 × 16,539.00
  4. Step 4: Simplify right side
    28,475.66x = 649,930,020.64
  5. Step 5: Solve for x
    x = 649,930,020.64/28,475.66
  6. Step 6: Final answer
    x = 22,824.05

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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.