Home / 27,320.18-37,701.68-15,387.36

Finding the Fourth Proportional to 27,320.18, 37,701.68 and 15,387.36

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Solution

The fourth proportional to 27,320.18, 37,701.68 and 15,387.36 is: 21,234.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.18 : 37,701.68 = 15,387.36 : x
  2. Step 2: Convert to fraction form
    27,320.18/37,701.68 = 15,387.36/x
  3. Step 3: Cross multiply
    27,320.18x = 37,701.68 × 15,387.36
  4. Step 4: Simplify right side
    27,320.18x = 580,129,104.45
  5. Step 5: Solve for x
    x = 580,129,104.45/27,320.18
  6. Step 6: Final answer
    x = 21,234.46

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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.