Home / 27,291.24-37,661.07-15,355.23

Finding the Fourth Proportional to 27,291.24, 37,661.07 and 15,355.23

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Solution

The fourth proportional to 27,291.24, 37,661.07 and 15,355.23 is: 21,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,291.24 : 37,661.07 = 15,355.23 : x
  2. Step 2: Convert to fraction form
    27,291.24/37,661.07 = 15,355.23/x
  3. Step 3: Cross multiply
    27,291.24x = 37,661.07 × 15,355.23
  4. Step 4: Simplify right side
    27,291.24x = 578,294,391.90
  5. Step 5: Solve for x
    x = 578,294,391.90/27,291.24
  6. Step 6: Final answer
    x = 21,189.74

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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.