Home / 28,326.38-42,483.81-26,921.30

Finding the Fourth Proportional to 28,326.38, 42,483.81 and 26,921.30

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Solution

The fourth proportional to 28,326.38, 42,483.81 and 26,921.30 is: 40,376.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,326.38 : 42,483.81 = 26,921.30 : x
  2. Step 2: Convert to fraction form
    28,326.38/42,483.81 = 26,921.30/x
  3. Step 3: Cross multiply
    28,326.38x = 42,483.81 × 26,921.30
  4. Step 4: Simplify right side
    28,326.38x = 1,143,719,394.15
  5. Step 5: Solve for x
    x = 1,143,719,394.15/28,326.38
  6. Step 6: Final answer
    x = 40,376.48

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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.