Home / 28,770.91-43,160.45-9,050.99

Finding the Fourth Proportional to 28,770.91, 43,160.45 and 9,050.99

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Solution

The fourth proportional to 28,770.91, 43,160.45 and 9,050.99 is: 13,577.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,770.91 : 43,160.45 = 9,050.99 : x
  2. Step 2: Convert to fraction form
    28,770.91/43,160.45 = 9,050.99/x
  3. Step 3: Cross multiply
    28,770.91x = 43,160.45 × 9,050.99
  4. Step 4: Simplify right side
    28,770.91x = 390,644,540.29
  5. Step 5: Solve for x
    x = 390,644,540.29/28,770.91
  6. Step 6: Final answer
    x = 13,577.76

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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.