Home / 34,825.28-48,064.80-20,685.76

Finding the Fourth Proportional to 34,825.28, 48,064.80 and 20,685.76

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Solution

The fourth proportional to 34,825.28, 48,064.80 and 20,685.76 is: 28,549.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,825.28 : 48,064.80 = 20,685.76 : x
  2. Step 2: Convert to fraction form
    34,825.28/48,064.80 = 20,685.76/x
  3. Step 3: Cross multiply
    34,825.28x = 48,064.80 × 20,685.76
  4. Step 4: Simplify right side
    34,825.28x = 994,256,917.25
  5. Step 5: Solve for x
    x = 994,256,917.25/34,825.28
  6. Step 6: Final answer
    x = 28,549.86

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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.