Home / 27,197.21-37,532.80-15,261.43

Finding the Fourth Proportional to 27,197.21, 37,532.80 and 15,261.43

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Solution

The fourth proportional to 27,197.21, 37,532.80 and 15,261.43 is: 21,061.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,197.21 : 37,532.80 = 15,261.43 : x
  2. Step 2: Convert to fraction form
    27,197.21/37,532.80 = 15,261.43/x
  3. Step 3: Cross multiply
    27,197.21x = 37,532.80 × 15,261.43
  4. Step 4: Simplify right side
    27,197.21x = 572,804,199.90
  5. Step 5: Solve for x
    x = 572,804,199.90/27,197.21
  6. Step 6: Final answer
    x = 21,061.14

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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.