Home / 20,024.74-27,645.39-13,319.50

Finding the Fourth Proportional to 20,024.74, 27,645.39 and 13,319.50

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Solution

The fourth proportional to 20,024.74, 27,645.39 and 13,319.50 is: 18,388.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024.74 : 27,645.39 = 13,319.50 : x
  2. Step 2: Convert to fraction form
    20,024.74/27,645.39 = 13,319.50/x
  3. Step 3: Cross multiply
    20,024.74x = 27,645.39 × 13,319.50
  4. Step 4: Simplify right side
    20,024.74x = 368,222,772.11
  5. Step 5: Solve for x
    x = 368,222,772.11/20,024.74
  6. Step 6: Final answer
    x = 18,388.39

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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.