Home / 28,592.80-42,890.88-11,062.72

Finding the Fourth Proportional to 28,592.80, 42,890.88 and 11,062.72

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Solution

The fourth proportional to 28,592.80, 42,890.88 and 11,062.72 is: 16,594.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,592.80 : 42,890.88 = 11,062.72 : x
  2. Step 2: Convert to fraction form
    28,592.80/42,890.88 = 11,062.72/x
  3. Step 3: Cross multiply
    28,592.80x = 42,890.88 × 11,062.72
  4. Step 4: Simplify right side
    28,592.80x = 474,489,795.99
  5. Step 5: Solve for x
    x = 474,489,795.99/28,592.80
  6. Step 6: Final answer
    x = 16,594.73

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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.