Home / 27,764.64-38,316.24-15,827.67

Finding the Fourth Proportional to 27,764.64, 38,316.24 and 15,827.67

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Solution

The fourth proportional to 27,764.64, 38,316.24 and 15,827.67 is: 21,842.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,764.64 : 38,316.24 = 15,827.67 : x
  2. Step 2: Convert to fraction form
    27,764.64/38,316.24 = 15,827.67/x
  3. Step 3: Cross multiply
    27,764.64x = 38,316.24 × 15,827.67
  4. Step 4: Simplify right side
    27,764.64x = 606,456,802.36
  5. Step 5: Solve for x
    x = 606,456,802.36/27,764.64
  6. Step 6: Final answer
    x = 21,842.78

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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.