Home / 28,231.13-42,289.29-22,654.28

Finding the Fourth Proportional to 28,231.13, 42,289.29 and 22,654.28

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Solution

The fourth proportional to 28,231.13, 42,289.29 and 22,654.28 is: 33,935.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,231.13 : 42,289.29 = 22,654.28 : x
  2. Step 2: Convert to fraction form
    28,231.13/42,289.29 = 22,654.28/x
  3. Step 3: Cross multiply
    28,231.13x = 42,289.29 × 22,654.28
  4. Step 4: Simplify right side
    28,231.13x = 958,033,522.38
  5. Step 5: Solve for x
    x = 958,033,522.38/28,231.13
  6. Step 6: Final answer
    x = 33,935.36

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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.