Home / 17,680.24-26,520.60-7,155.28

Finding the Fourth Proportional to 17,680.24, 26,520.60 and 7,155.28

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Solution

The fourth proportional to 17,680.24, 26,520.60 and 7,155.28 is: 10,733.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,680.24 : 26,520.60 = 7,155.28 : x
  2. Step 2: Convert to fraction form
    17,680.24/26,520.60 = 7,155.28/x
  3. Step 3: Cross multiply
    17,680.24x = 26,520.60 × 7,155.28
  4. Step 4: Simplify right side
    17,680.24x = 189,762,318.77
  5. Step 5: Solve for x
    x = 189,762,318.77/17,680.24
  6. Step 6: Final answer
    x = 10,733.02

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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.