Home / 27,215.86-37,555.44-15,886.34

Finding the Fourth Proportional to 27,215.86, 37,555.44 and 15,886.34

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Solution

The fourth proportional to 27,215.86, 37,555.44 and 15,886.34 is: 21,921.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,215.86 : 37,555.44 = 15,886.34 : x
  2. Step 2: Convert to fraction form
    27,215.86/37,555.44 = 15,886.34/x
  3. Step 3: Cross multiply
    27,215.86x = 37,555.44 × 15,886.34
  4. Step 4: Simplify right side
    27,215.86x = 596,618,488.69
  5. Step 5: Solve for x
    x = 596,618,488.69/27,215.86
  6. Step 6: Final answer
    x = 21,921.72

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Double scale
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Similar ratio
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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.