Home / 27,763.32-38,313.42-15,187.92

Finding the Fourth Proportional to 27,763.32, 38,313.42 and 15,187.92

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Solution

The fourth proportional to 27,763.32, 38,313.42 and 15,187.92 is: 20,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,763.32 : 38,313.42 = 15,187.92 : x
  2. Step 2: Convert to fraction form
    27,763.32/38,313.42 = 15,187.92/x
  3. Step 3: Cross multiply
    27,763.32x = 38,313.42 × 15,187.92
  4. Step 4: Simplify right side
    27,763.32x = 581,901,157.89
  5. Step 5: Solve for x
    x = 581,901,157.89/27,763.32
  6. Step 6: Final answer
    x = 20,959.35

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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.