Home / 21,795.48-30,076.30-12,841.24

Finding the Fourth Proportional to 21,795.48, 30,076.30 and 12,841.24

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Solution

The fourth proportional to 21,795.48, 30,076.30 and 12,841.24 is: 17,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,795.48 : 30,076.30 = 12,841.24 : x
  2. Step 2: Convert to fraction form
    21,795.48/30,076.30 = 12,841.24/x
  3. Step 3: Cross multiply
    21,795.48x = 30,076.30 × 12,841.24
  4. Step 4: Simplify right side
    21,795.48x = 386,216,986.61
  5. Step 5: Solve for x
    x = 386,216,986.61/21,795.48
  6. Step 6: Final answer
    x = 17,720.05

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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.