Home / 20,316.90-30,427.83-17,573.70

Finding the Fourth Proportional to 20,316.90, 30,427.83 and 17,573.70

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Solution

The fourth proportional to 20,316.90, 30,427.83 and 17,573.70 is: 26,319.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,316.90 : 30,427.83 = 17,573.70 : x
  2. Step 2: Convert to fraction form
    20,316.90/30,427.83 = 17,573.70/x
  3. Step 3: Cross multiply
    20,316.90x = 30,427.83 × 17,573.70
  4. Step 4: Simplify right side
    20,316.90x = 534,729,556.07
  5. Step 5: Solve for x
    x = 534,729,556.07/20,316.90
  6. Step 6: Final answer
    x = 26,319.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.