Home / 27,139.12-37,454.31-15,204.91

Finding the Fourth Proportional to 27,139.12, 37,454.31 and 15,204.91

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Solution

The fourth proportional to 27,139.12, 37,454.31 and 15,204.91 is: 20,984.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,139.12 : 37,454.31 = 15,204.91 : x
  2. Step 2: Convert to fraction form
    27,139.12/37,454.31 = 15,204.91/x
  3. Step 3: Cross multiply
    27,139.12x = 37,454.31 × 15,204.91
  4. Step 4: Simplify right side
    27,139.12x = 569,489,412.66
  5. Step 5: Solve for x
    x = 569,489,412.66/27,139.12
  6. Step 6: Final answer
    x = 20,984.08

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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.