Home / 27,216.90-37,563.20-15,281.04

Finding the Fourth Proportional to 27,216.90, 37,563.20 and 15,281.04

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Solution

The fourth proportional to 27,216.90, 37,563.20 and 15,281.04 is: 21,090.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216.90 : 37,563.20 = 15,281.04 : x
  2. Step 2: Convert to fraction form
    27,216.90/37,563.20 = 15,281.04/x
  3. Step 3: Cross multiply
    27,216.90x = 37,563.20 × 15,281.04
  4. Step 4: Simplify right side
    27,216.90x = 574,004,685.32
  5. Step 5: Solve for x
    x = 574,004,685.32/27,216.90
  6. Step 6: Final answer
    x = 21,090.01

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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.