Home / 27,363.84-37,762.04-15,427.28

Finding the Fourth Proportional to 27,363.84, 37,762.04 and 15,427.28

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Solution

The fourth proportional to 27,363.84, 37,762.04 and 15,427.28 is: 21,289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,363.84 : 37,762.04 = 15,427.28 : x
  2. Step 2: Convert to fraction form
    27,363.84/37,762.04 = 15,427.28/x
  3. Step 3: Cross multiply
    27,363.84x = 37,762.04 × 15,427.28
  4. Step 4: Simplify right side
    27,363.84x = 582,565,298.50
  5. Step 5: Solve for x
    x = 582,565,298.50/27,363.84
  6. Step 6: Final answer
    x = 21,289.60

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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.