Home / 28,075.43-42,076.61-11,416.04

Finding the Fourth Proportional to 28,075.43, 42,076.61 and 11,416.04

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Solution

The fourth proportional to 28,075.43, 42,076.61 and 11,416.04 is: 17,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,075.43 : 42,076.61 = 11,416.04 : x
  2. Step 2: Convert to fraction form
    28,075.43/42,076.61 = 11,416.04/x
  3. Step 3: Cross multiply
    28,075.43x = 42,076.61 × 11,416.04
  4. Step 4: Simplify right side
    28,075.43x = 480,348,080.98
  5. Step 5: Solve for x
    x = 480,348,080.98/28,075.43
  6. Step 6: Final answer
    x = 17,109.20

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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.