Home / 28,895.60-43,343.16-7,835.60

Finding the Fourth Proportional to 28,895.60, 43,343.16 and 7,835.60

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Solution

The fourth proportional to 28,895.60, 43,343.16 and 7,835.60 is: 11,753.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895.60 : 43,343.16 = 7,835.60 : x
  2. Step 2: Convert to fraction form
    28,895.60/43,343.16 = 7,835.60/x
  3. Step 3: Cross multiply
    28,895.60x = 43,343.16 × 7,835.60
  4. Step 4: Simplify right side
    28,895.60x = 339,619,664.50
  5. Step 5: Solve for x
    x = 339,619,664.50/28,895.60
  6. Step 6: Final answer
    x = 11,753.33

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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.