Home / 27,139.14-37,421.87-17,055.45

Finding the Fourth Proportional to 27,139.14, 37,421.87 and 17,055.45

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Solution

The fourth proportional to 27,139.14, 37,421.87 and 17,055.45 is: 23,517.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,139.14 : 37,421.87 = 17,055.45 : x
  2. Step 2: Convert to fraction form
    27,139.14/37,421.87 = 17,055.45/x
  3. Step 3: Cross multiply
    27,139.14x = 37,421.87 × 17,055.45
  4. Step 4: Simplify right side
    27,139.14x = 638,246,747.41
  5. Step 5: Solve for x
    x = 638,246,747.41/27,139.14
  6. Step 6: Final answer
    x = 23,517.57

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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.