Home / 28,945.80-43,433.10-16,475.40

Finding the Fourth Proportional to 28,945.80, 43,433.10 and 16,475.40

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Solution

The fourth proportional to 28,945.80, 43,433.10 and 16,475.40 is: 24,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,945.80 : 43,433.10 = 16,475.40 : x
  2. Step 2: Convert to fraction form
    28,945.80/43,433.10 = 16,475.40/x
  3. Step 3: Cross multiply
    28,945.80x = 43,433.10 × 16,475.40
  4. Step 4: Simplify right side
    28,945.80x = 715,577,695.74
  5. Step 5: Solve for x
    x = 715,577,695.74/28,945.80
  6. Step 6: Final answer
    x = 24,721.30

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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.