Home / 26,287.62-39,407.94-9,643.76

Finding the Fourth Proportional to 26,287.62, 39,407.94 and 9,643.76

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Solution

The fourth proportional to 26,287.62, 39,407.94 and 9,643.76 is: 14,457.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.62 : 39,407.94 = 9,643.76 : x
  2. Step 2: Convert to fraction form
    26,287.62/39,407.94 = 9,643.76/x
  3. Step 3: Cross multiply
    26,287.62x = 39,407.94 × 9,643.76
  4. Step 4: Simplify right side
    26,287.62x = 380,040,715.45
  5. Step 5: Solve for x
    x = 380,040,715.45/26,287.62
  6. Step 6: Final answer
    x = 14,457.02

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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.