Home / 22,425.08-30,939.21-14,472.59

Finding the Fourth Proportional to 22,425.08, 30,939.21 and 14,472.59

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Solution

The fourth proportional to 22,425.08, 30,939.21 and 14,472.59 is: 19,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,425.08 : 30,939.21 = 14,472.59 : x
  2. Step 2: Convert to fraction form
    22,425.08/30,939.21 = 14,472.59/x
  3. Step 3: Cross multiply
    22,425.08x = 30,939.21 × 14,472.59
  4. Step 4: Simplify right side
    22,425.08x = 447,770,501.25
  5. Step 5: Solve for x
    x = 447,770,501.25/22,425.08
  6. Step 6: Final answer
    x = 19,967.40

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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.