Home / 20,672.96-31,025.28-10,293.44

Finding the Fourth Proportional to 20,672.96, 31,025.28 and 10,293.44

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Solution

The fourth proportional to 20,672.96, 31,025.28 and 10,293.44 is: 15,448.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672.96 : 31,025.28 = 10,293.44 : x
  2. Step 2: Convert to fraction form
    20,672.96/31,025.28 = 10,293.44/x
  3. Step 3: Cross multiply
    20,672.96x = 31,025.28 × 10,293.44
  4. Step 4: Simplify right side
    20,672.96x = 319,356,858.16
  5. Step 5: Solve for x
    x = 319,356,858.16/20,672.96
  6. Step 6: Final answer
    x = 15,448.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.