Home / 20,040.74-27,656.65-11,088.87

Finding the Fourth Proportional to 20,040.74, 27,656.65 and 11,088.87

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Solution

The fourth proportional to 20,040.74, 27,656.65 and 11,088.87 is: 15,302.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040.74 : 27,656.65 = 11,088.87 : x
  2. Step 2: Convert to fraction form
    20,040.74/27,656.65 = 11,088.87/x
  3. Step 3: Cross multiply
    20,040.74x = 27,656.65 × 11,088.87
  4. Step 4: Simplify right side
    20,040.74x = 306,680,996.49
  5. Step 5: Solve for x
    x = 306,680,996.49/20,040.74
  6. Step 6: Final answer
    x = 15,302.88

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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.