Home / 28,931.54-43,395.06-11,401.52

Finding the Fourth Proportional to 28,931.54, 43,395.06 and 11,401.52

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Solution

The fourth proportional to 28,931.54, 43,395.06 and 11,401.52 is: 17,101.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931.54 : 43,395.06 = 11,401.52 : x
  2. Step 2: Convert to fraction form
    28,931.54/43,395.06 = 11,401.52/x
  3. Step 3: Cross multiply
    28,931.54x = 43,395.06 × 11,401.52
  4. Step 4: Simplify right side
    28,931.54x = 494,769,644.49
  5. Step 5: Solve for x
    x = 494,769,644.49/28,931.54
  6. Step 6: Final answer
    x = 17,101.39

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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.