Home / 20,097.59-30,000.00-18,615.29

Finding the Fourth Proportional to 20,097.59, 30,000.00 and 18,615.29

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Solution

The fourth proportional to 20,097.59, 30,000.00 and 18,615.29 is: 27,787.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097.59 : 30,000.00 = 18,615.29 : x
  2. Step 2: Convert to fraction form
    20,097.59/30,000.00 = 18,615.29/x
  3. Step 3: Cross multiply
    20,097.59x = 30,000.00 × 18,615.29
  4. Step 4: Simplify right side
    20,097.59x = 558,458,619.81
  5. Step 5: Solve for x
    x = 558,458,619.81/20,097.59
  6. Step 6: Final answer
    x = 27,787.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.