Home / 28,403.28-39,171.06-17,794.08

Finding the Fourth Proportional to 28,403.28, 39,171.06 and 17,794.08

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Solution

The fourth proportional to 28,403.28, 39,171.06 and 17,794.08 is: 24,539.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403.28 : 39,171.06 = 17,794.08 : x
  2. Step 2: Convert to fraction form
    28,403.28/39,171.06 = 17,794.08/x
  3. Step 3: Cross multiply
    28,403.28x = 39,171.06 × 17,794.08
  4. Step 4: Simplify right side
    28,403.28x = 697,012,975.32
  5. Step 5: Solve for x
    x = 697,012,975.32/28,403.28
  6. Step 6: Final answer
    x = 24,539.88

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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.