Home / 27,210.90-37,551.11-15,111.39

Finding the Fourth Proportional to 27,210.90, 37,551.11 and 15,111.39

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Solution

The fourth proportional to 27,210.90, 37,551.11 and 15,111.39 is: 20,853.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,210.90 : 37,551.11 = 15,111.39 : x
  2. Step 2: Convert to fraction form
    27,210.90/37,551.11 = 15,111.39/x
  3. Step 3: Cross multiply
    27,210.90x = 37,551.11 × 15,111.39
  4. Step 4: Simplify right side
    27,210.90x = 567,449,505.92
  5. Step 5: Solve for x
    x = 567,449,505.92/27,210.90
  6. Step 6: Final answer
    x = 20,853.76

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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.