Home / 17,677.60-26,528.32-7,289.12

Finding the Fourth Proportional to 17,677.60, 26,528.32 and 7,289.12

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Solution

The fourth proportional to 17,677.60, 26,528.32 and 7,289.12 is: 10,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,677.60 : 26,528.32 = 7,289.12 : x
  2. Step 2: Convert to fraction form
    17,677.60/26,528.32 = 7,289.12/x
  3. Step 3: Cross multiply
    17,677.60x = 26,528.32 × 7,289.12
  4. Step 4: Simplify right side
    17,677.60x = 193,368,107.88
  5. Step 5: Solve for x
    x = 193,368,107.88/17,677.60
  6. Step 6: Final answer
    x = 10,938.60

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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.