Home / 25,476.02-38,042.48-20,805.30

Finding the Fourth Proportional to 25,476.02, 38,042.48 and 20,805.30

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Solution

The fourth proportional to 25,476.02, 38,042.48 and 20,805.30 is: 31,067.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,476.02 : 38,042.48 = 20,805.30 : x
  2. Step 2: Convert to fraction form
    25,476.02/38,042.48 = 20,805.30/x
  3. Step 3: Cross multiply
    25,476.02x = 38,042.48 × 20,805.30
  4. Step 4: Simplify right side
    25,476.02x = 791,485,037.13
  5. Step 5: Solve for x
    x = 791,485,037.13/25,476.02
  6. Step 6: Final answer
    x = 31,067.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.