Home / 28,842.64-43,269.30-9,126.16

Finding the Fourth Proportional to 28,842.64, 43,269.30 and 9,126.16

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Solution

The fourth proportional to 28,842.64, 43,269.30 and 9,126.16 is: 13,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,842.64 : 43,269.30 = 9,126.16 : x
  2. Step 2: Convert to fraction form
    28,842.64/43,269.30 = 9,126.16/x
  3. Step 3: Cross multiply
    28,842.64x = 43,269.30 × 9,126.16
  4. Step 4: Simplify right side
    28,842.64x = 394,882,554.89
  5. Step 5: Solve for x
    x = 394,882,554.89/28,842.64
  6. Step 6: Final answer
    x = 13,690.93

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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.