Home / 28,941.80-43,427.10-16,471.40

Finding the Fourth Proportional to 28,941.80, 43,427.10 and 16,471.40

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Solution

The fourth proportional to 28,941.80, 43,427.10 and 16,471.40 is: 24,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,941.80 : 43,427.10 = 16,471.40 : x
  2. Step 2: Convert to fraction form
    28,941.80/43,427.10 = 16,471.40/x
  3. Step 3: Cross multiply
    28,941.80x = 43,427.10 × 16,471.40
  4. Step 4: Simplify right side
    28,941.80x = 715,305,134.94
  5. Step 5: Solve for x
    x = 715,305,134.94/28,941.80
  6. Step 6: Final answer
    x = 24,715.30

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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.