Home / 28,274.74-42,394.69-9,553.01

Finding the Fourth Proportional to 28,274.74, 42,394.69 and 9,553.01

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Solution

The fourth proportional to 28,274.74, 42,394.69 and 9,553.01 is: 14,323.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,274.74 : 42,394.69 = 9,553.01 : x
  2. Step 2: Convert to fraction form
    28,274.74/42,394.69 = 9,553.01/x
  3. Step 3: Cross multiply
    28,274.74x = 42,394.69 × 9,553.01
  4. Step 4: Simplify right side
    28,274.74x = 404,996,697.48
  5. Step 5: Solve for x
    x = 404,996,697.48/28,274.74
  6. Step 6: Final answer
    x = 14,323.62

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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.