Home / 27,120.06-37,425.29-15,019.40

Finding the Fourth Proportional to 27,120.06, 37,425.29 and 15,019.40

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Solution

The fourth proportional to 27,120.06, 37,425.29 and 15,019.40 is: 20,726.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,120.06 : 37,425.29 = 15,019.40 : x
  2. Step 2: Convert to fraction form
    27,120.06/37,425.29 = 15,019.40/x
  3. Step 3: Cross multiply
    27,120.06x = 37,425.29 × 15,019.40
  4. Step 4: Simplify right side
    27,120.06x = 562,105,138.40
  5. Step 5: Solve for x
    x = 562,105,138.40/27,120.06
  6. Step 6: Final answer
    x = 20,726.54

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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.