Home / 28,992.81-40,029.35-22,266.42

Finding the Fourth Proportional to 28,992.81, 40,029.35 and 22,266.42

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Solution

The fourth proportional to 28,992.81, 40,029.35 and 22,266.42 is: 30,742.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992.81 : 40,029.35 = 22,266.42 : x
  2. Step 2: Convert to fraction form
    28,992.81/40,029.35 = 22,266.42/x
  3. Step 3: Cross multiply
    28,992.81x = 40,029.35 × 22,266.42
  4. Step 4: Simplify right side
    28,992.81x = 891,310,327.13
  5. Step 5: Solve for x
    x = 891,310,327.13/28,992.81
  6. Step 6: Final answer
    x = 30,742.46

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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.