Home / 26,080.16-39,126-14,387.36

Finding the Fourth Proportional to 26,080.16, 39,126 and 14,387.36

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Solution

The fourth proportional to 26,080.16, 39,126 and 14,387.36 is: 21,584.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,080.16 : 39,126 = 14,387.36 : x
  2. Step 2: Convert to fraction form
    26,080.16/39,126 = 14,387.36/x
  3. Step 3: Cross multiply
    26,080.16x = 39,126 × 14,387.36
  4. Step 4: Simplify right side
    26,080.16x = 562,919,847.36
  5. Step 5: Solve for x
    x = 562,919,847.36/26,080.16
  6. Step 6: Final answer
    x = 21,584.22

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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.