Home / 20,075.04-27,701.28-11,577.15

Finding the Fourth Proportional to 20,075.04, 27,701.28 and 11,577.15

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Solution

The fourth proportional to 20,075.04, 27,701.28 and 11,577.15 is: 15,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,075.04 : 27,701.28 = 11,577.15 : x
  2. Step 2: Convert to fraction form
    20,075.04/27,701.28 = 11,577.15/x
  3. Step 3: Cross multiply
    20,075.04x = 27,701.28 × 11,577.15
  4. Step 4: Simplify right side
    20,075.04x = 320,701,873.75
  5. Step 5: Solve for x
    x = 320,701,873.75/20,075.04
  6. Step 6: Final answer
    x = 15,975.15

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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.