Home / 27,316.40-37,698.55-15,217.85

Finding the Fourth Proportional to 27,316.40, 37,698.55 and 15,217.85

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Solution

The fourth proportional to 27,316.40, 37,698.55 and 15,217.85 is: 21,001.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,316.40 : 37,698.55 = 15,217.85 : x
  2. Step 2: Convert to fraction form
    27,316.40/37,698.55 = 15,217.85/x
  3. Step 3: Cross multiply
    27,316.40x = 37,698.55 × 15,217.85
  4. Step 4: Simplify right side
    27,316.40x = 573,690,935.32
  5. Step 5: Solve for x
    x = 573,690,935.32/27,316.40
  6. Step 6: Final answer
    x = 21,001.71

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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.