Home / 31,673.42-43,476.47-28,008.05

Finding the Fourth Proportional to 31,673.42, 43,476.47 and 28,008.05

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Solution

The fourth proportional to 31,673.42, 43,476.47 and 28,008.05 is: 38,445.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,673.42 : 43,476.47 = 28,008.05 : x
  2. Step 2: Convert to fraction form
    31,673.42/43,476.47 = 28,008.05/x
  3. Step 3: Cross multiply
    31,673.42x = 43,476.47 × 28,008.05
  4. Step 4: Simplify right side
    31,673.42x = 1,217,691,145.58
  5. Step 5: Solve for x
    x = 1,217,691,145.58/31,673.42
  6. Step 6: Final answer
    x = 38,445.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.