Home / 24,218.79-33,422.79-13,608.21

Finding the Fourth Proportional to 24,218.79, 33,422.79 and 13,608.21

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Solution

The fourth proportional to 24,218.79, 33,422.79 and 13,608.21 is: 18,779.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,218.79 : 33,422.79 = 13,608.21 : x
  2. Step 2: Convert to fraction form
    24,218.79/33,422.79 = 13,608.21/x
  3. Step 3: Cross multiply
    24,218.79x = 33,422.79 × 13,608.21
  4. Step 4: Simplify right side
    24,218.79x = 454,824,345.11
  5. Step 5: Solve for x
    x = 454,824,345.11/24,218.79
  6. Step 6: Final answer
    x = 18,779.81

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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.