Home / 27,320.04-37,712.22-21,353.64

Finding the Fourth Proportional to 27,320.04, 37,712.22 and 21,353.64

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Solution

The fourth proportional to 27,320.04, 37,712.22 and 21,353.64 is: 29,476.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.04 : 37,712.22 = 21,353.64 : x
  2. Step 2: Convert to fraction form
    27,320.04/37,712.22 = 21,353.64/x
  3. Step 3: Cross multiply
    27,320.04x = 37,712.22 × 21,353.64
  4. Step 4: Simplify right side
    27,320.04x = 805,293,169.48
  5. Step 5: Solve for x
    x = 805,293,169.48/27,320.04
  6. Step 6: Final answer
    x = 29,476.28

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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.