Home / 27,294.48-37,664.22-15,355.44

Finding the Fourth Proportional to 27,294.48, 37,664.22 and 15,355.44

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Solution

The fourth proportional to 27,294.48, 37,664.22 and 15,355.44 is: 21,189.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,294.48 : 37,664.22 = 15,355.44 : x
  2. Step 2: Convert to fraction form
    27,294.48/37,664.22 = 15,355.44/x
  3. Step 3: Cross multiply
    27,294.48x = 37,664.22 × 15,355.44
  4. Step 4: Simplify right side
    27,294.48x = 578,350,670.36
  5. Step 5: Solve for x
    x = 578,350,670.36/27,294.48
  6. Step 6: Final answer
    x = 21,189.29

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1.5x scale

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.