Home / 26,928.32-40,401.12-17,075.84

Finding the Fourth Proportional to 26,928.32, 40,401.12 and 17,075.84

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Solution

The fourth proportional to 26,928.32, 40,401.12 and 17,075.84 is: 25,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,928.32 : 40,401.12 = 17,075.84 : x
  2. Step 2: Convert to fraction form
    26,928.32/40,401.12 = 17,075.84/x
  3. Step 3: Cross multiply
    26,928.32x = 40,401.12 × 17,075.84
  4. Step 4: Simplify right side
    26,928.32x = 689,883,060.94
  5. Step 5: Solve for x
    x = 689,883,060.94/26,928.32
  6. Step 6: Final answer
    x = 25,619.24

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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.