Home / 20,825.67-28,709.53-14,846.96

Finding the Fourth Proportional to 20,825.67, 28,709.53 and 14,846.96

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Solution

The fourth proportional to 20,825.67, 28,709.53 and 14,846.96 is: 20,467.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,825.67 : 28,709.53 = 14,846.96 : x
  2. Step 2: Convert to fraction form
    20,825.67/28,709.53 = 14,846.96/x
  3. Step 3: Cross multiply
    20,825.67x = 28,709.53 × 14,846.96
  4. Step 4: Simplify right side
    20,825.67x = 426,249,322.02
  5. Step 5: Solve for x
    x = 426,249,322.02/20,825.67
  6. Step 6: Final answer
    x = 20,467.49

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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.