Home / 20,097.60-27,746.88-13,392.96

Finding the Fourth Proportional to 20,097.60, 27,746.88 and 13,392.96

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Solution

The fourth proportional to 20,097.60, 27,746.88 and 13,392.96 is: 18,490.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097.60 : 27,746.88 = 13,392.96 : x
  2. Step 2: Convert to fraction form
    20,097.60/27,746.88 = 13,392.96/x
  3. Step 3: Cross multiply
    20,097.60x = 27,746.88 × 13,392.96
  4. Step 4: Simplify right side
    20,097.60x = 371,612,853.96
  5. Step 5: Solve for x
    x = 371,612,853.96/20,097.60
  6. Step 6: Final answer
    x = 18,490.41

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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.