Home / 26,321.69-36,320.75-14,991.21

Finding the Fourth Proportional to 26,321.69, 36,320.75 and 14,991.21

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Solution

The fourth proportional to 26,321.69, 36,320.75 and 14,991.21 is: 20,686.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,321.69 : 36,320.75 = 14,991.21 : x
  2. Step 2: Convert to fraction form
    26,321.69/36,320.75 = 14,991.21/x
  3. Step 3: Cross multiply
    26,321.69x = 36,320.75 × 14,991.21
  4. Step 4: Simplify right side
    26,321.69x = 544,491,990.61
  5. Step 5: Solve for x
    x = 544,491,990.61/26,321.69
  6. Step 6: Final answer
    x = 20,686.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.