Home / 27,172.84-37,499.34-15,237.28

Finding the Fourth Proportional to 27,172.84, 37,499.34 and 15,237.28

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Solution

The fourth proportional to 27,172.84, 37,499.34 and 15,237.28 is: 21,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,172.84 : 37,499.34 = 15,237.28 : x
  2. Step 2: Convert to fraction form
    27,172.84/37,499.34 = 15,237.28/x
  3. Step 3: Cross multiply
    27,172.84x = 37,499.34 × 15,237.28
  4. Step 4: Simplify right side
    27,172.84x = 571,387,943.40
  5. Step 5: Solve for x
    x = 571,387,943.40/27,172.84
  6. Step 6: Final answer
    x = 21,027.91

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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.