Home / 27,075.84-37,359.36-15,746.64

Finding the Fourth Proportional to 27,075.84, 37,359.36 and 15,746.64

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Solution

The fourth proportional to 27,075.84, 37,359.36 and 15,746.64 is: 21,727.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,075.84 : 37,359.36 = 15,746.64 : x
  2. Step 2: Convert to fraction form
    27,075.84/37,359.36 = 15,746.64/x
  3. Step 3: Cross multiply
    27,075.84x = 37,359.36 × 15,746.64
  4. Step 4: Simplify right side
    27,075.84x = 588,284,392.55
  5. Step 5: Solve for x
    x = 588,284,392.55/27,075.84
  6. Step 6: Final answer
    x = 21,727.28

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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.