Home / 26,720.12-40,080.14-10,716.87

Finding the Fourth Proportional to 26,720.12, 40,080.14 and 10,716.87

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Solution

The fourth proportional to 26,720.12, 40,080.14 and 10,716.87 is: 16,075.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720.12 : 40,080.14 = 10,716.87 : x
  2. Step 2: Convert to fraction form
    26,720.12/40,080.14 = 10,716.87/x
  3. Step 3: Cross multiply
    26,720.12x = 40,080.14 × 10,716.87
  4. Step 4: Simplify right side
    26,720.12x = 429,533,736.77
  5. Step 5: Solve for x
    x = 429,533,736.77/26,720.12
  6. Step 6: Final answer
    x = 16,075.29

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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.