Home / 27,292.34-37,663.36-15,355.69

Finding the Fourth Proportional to 27,292.34, 37,663.36 and 15,355.69

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Solution

The fourth proportional to 27,292.34, 37,663.36 and 15,355.69 is: 21,190.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,292.34 : 37,663.36 = 15,355.69 : x
  2. Step 2: Convert to fraction form
    27,292.34/37,663.36 = 15,355.69/x
  3. Step 3: Cross multiply
    27,292.34x = 37,663.36 × 15,355.69
  4. Step 4: Simplify right side
    27,292.34x = 578,347,046.20
  5. Step 5: Solve for x
    x = 578,347,046.20/27,292.34
  6. Step 6: Final answer
    x = 21,190.82

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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.