Home / 27,727.17-38,263.25-15,631.53

Finding the Fourth Proportional to 27,727.17, 38,263.25 and 15,631.53

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Solution

The fourth proportional to 27,727.17, 38,263.25 and 15,631.53 is: 21,571.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,727.17 : 38,263.25 = 15,631.53 : x
  2. Step 2: Convert to fraction form
    27,727.17/38,263.25 = 15,631.53/x
  3. Step 3: Cross multiply
    27,727.17x = 38,263.25 × 15,631.53
  4. Step 4: Simplify right side
    27,727.17x = 598,113,062.11
  5. Step 5: Solve for x
    x = 598,113,062.11/27,727.17
  6. Step 6: Final answer
    x = 21,571.37

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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.