Home / 27,290.72-37,661.56-15,352.94

Finding the Fourth Proportional to 27,290.72, 37,661.56 and 15,352.94

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Solution

The fourth proportional to 27,290.72, 37,661.56 and 15,352.94 is: 21,187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,290.72 : 37,661.56 = 15,352.94 : x
  2. Step 2: Convert to fraction form
    27,290.72/37,661.56 = 15,352.94/x
  3. Step 3: Cross multiply
    27,290.72x = 37,661.56 × 15,352.94
  4. Step 4: Simplify right side
    27,290.72x = 578,215,670.99
  5. Step 5: Solve for x
    x = 578,215,670.99/27,290.72
  6. Step 6: Final answer
    x = 21,187.26

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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.