Home / 26,120.76-39,180.96-10,538.16

Finding the Fourth Proportional to 26,120.76, 39,180.96 and 10,538.16

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Solution

The fourth proportional to 26,120.76, 39,180.96 and 10,538.16 is: 15,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,120.76 : 39,180.96 = 10,538.16 : x
  2. Step 2: Convert to fraction form
    26,120.76/39,180.96 = 10,538.16/x
  3. Step 3: Cross multiply
    26,120.76x = 39,180.96 × 10,538.16
  4. Step 4: Simplify right side
    26,120.76x = 412,895,225.43
  5. Step 5: Solve for x
    x = 412,895,225.43/26,120.76
  6. Step 6: Final answer
    x = 15,807.17

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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.