Home / 27,763.29-38,313.34-15,666.34

Finding the Fourth Proportional to 27,763.29, 38,313.34 and 15,666.34

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Solution

The fourth proportional to 27,763.29, 38,313.34 and 15,666.34 is: 21,619.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,763.29 : 38,313.34 = 15,666.34 : x
  2. Step 2: Convert to fraction form
    27,763.29/38,313.34 = 15,666.34/x
  3. Step 3: Cross multiply
    27,763.29x = 38,313.34 × 15,666.34
  4. Step 4: Simplify right side
    27,763.29x = 600,229,619.41
  5. Step 5: Solve for x
    x = 600,229,619.41/27,763.29
  6. Step 6: Final answer
    x = 21,619.55

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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.