Home / 27,724.17-38,259.11-15,628.53

Finding the Fourth Proportional to 27,724.17, 38,259.11 and 15,628.53

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Solution

The fourth proportional to 27,724.17, 38,259.11 and 15,628.53 is: 21,567.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,724.17 : 38,259.11 = 15,628.53 : x
  2. Step 2: Convert to fraction form
    27,724.17/38,259.11 = 15,628.53/x
  3. Step 3: Cross multiply
    27,724.17x = 38,259.11 × 15,628.53
  4. Step 4: Simplify right side
    27,724.17x = 597,933,733.19
  5. Step 5: Solve for x
    x = 597,933,733.19/27,724.17
  6. Step 6: Final answer
    x = 21,567.23

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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.