Home / 20,030.56-27,641.06-11,077.46

Finding the Fourth Proportional to 20,030.56, 27,641.06 and 11,077.46

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Solution

The fourth proportional to 20,030.56, 27,641.06 and 11,077.46 is: 15,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.56 : 27,641.06 = 11,077.46 : x
  2. Step 2: Convert to fraction form
    20,030.56/27,641.06 = 11,077.46/x
  3. Step 3: Cross multiply
    20,030.56x = 27,641.06 × 11,077.46
  4. Step 4: Simplify right side
    20,030.56x = 306,192,736.51
  5. Step 5: Solve for x
    x = 306,192,736.51/20,030.56
  6. Step 6: Final answer
    x = 15,286.28

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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.