Home / 27,172.34-37,499.75-15,076.77

Finding the Fourth Proportional to 27,172.34, 37,499.75 and 15,076.77

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Solution

The fourth proportional to 27,172.34, 37,499.75 and 15,076.77 is: 20,807.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,172.34 : 37,499.75 = 15,076.77 : x
  2. Step 2: Convert to fraction form
    27,172.34/37,499.75 = 15,076.77/x
  3. Step 3: Cross multiply
    27,172.34x = 37,499.75 × 15,076.77
  4. Step 4: Simplify right side
    27,172.34x = 565,375,030.42
  5. Step 5: Solve for x
    x = 565,375,030.42/27,172.34
  6. Step 6: Final answer
    x = 20,807.01

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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.