Home / 20,089.26-27,724.05-13,364.10

Finding the Fourth Proportional to 20,089.26, 27,724.05 and 13,364.10

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Solution

The fourth proportional to 20,089.26, 27,724.05 and 13,364.10 is: 18,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,089.26 : 27,724.05 = 13,364.10 : x
  2. Step 2: Convert to fraction form
    20,089.26/27,724.05 = 13,364.10/x
  3. Step 3: Cross multiply
    20,089.26x = 27,724.05 × 13,364.10
  4. Step 4: Simplify right side
    20,089.26x = 370,506,976.61
  5. Step 5: Solve for x
    x = 370,506,976.61/20,089.26
  6. Step 6: Final answer
    x = 18,443.04

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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.