Home / 18,029.54-24,867.06-15,515.90

Finding the Fourth Proportional to 18,029.54, 24,867.06 and 15,515.90

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Solution

The fourth proportional to 18,029.54, 24,867.06 and 15,515.90 is: 21,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,029.54 : 24,867.06 = 15,515.90 : x
  2. Step 2: Convert to fraction form
    18,029.54/24,867.06 = 15,515.90/x
  3. Step 3: Cross multiply
    18,029.54x = 24,867.06 × 15,515.90
  4. Step 4: Simplify right side
    18,029.54x = 385,834,816.25
  5. Step 5: Solve for x
    x = 385,834,816.25/18,029.54
  6. Step 6: Final answer
    x = 21,400.15

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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.