Home / 27,065.79-37,352.61-15,131.25

Finding the Fourth Proportional to 27,065.79, 37,352.61 and 15,131.25

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Solution

The fourth proportional to 27,065.79, 37,352.61 and 15,131.25 is: 20,882.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,065.79 : 37,352.61 = 15,131.25 : x
  2. Step 2: Convert to fraction form
    27,065.79/37,352.61 = 15,131.25/x
  3. Step 3: Cross multiply
    27,065.79x = 37,352.61 × 15,131.25
  4. Step 4: Simplify right side
    27,065.79x = 565,191,680.06
  5. Step 5: Solve for x
    x = 565,191,680.06/27,065.79
  6. Step 6: Final answer
    x = 20,882.14

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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.