Home / 20,000.28-27,579.71-17,177.00

Finding the Fourth Proportional to 20,000.28, 27,579.71 and 17,177.00

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Solution

The fourth proportional to 20,000.28, 27,579.71 and 17,177.00 is: 23,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000.28 : 27,579.71 = 17,177.00 : x
  2. Step 2: Convert to fraction form
    20,000.28/27,579.71 = 17,177.00/x
  3. Step 3: Cross multiply
    20,000.28x = 27,579.71 × 17,177.00
  4. Step 4: Simplify right side
    20,000.28x = 473,736,454.89
  5. Step 5: Solve for x
    x = 473,736,454.89/20,000.28
  6. Step 6: Final answer
    x = 23,686.50

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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.