Home / 27,803.01-38,368.71-15,227.76

Finding the Fourth Proportional to 27,803.01, 38,368.71 and 15,227.76

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Solution

The fourth proportional to 27,803.01, 38,368.71 and 15,227.76 is: 21,014.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,803.01 : 38,368.71 = 15,227.76 : x
  2. Step 2: Convert to fraction form
    27,803.01/38,368.71 = 15,227.76/x
  3. Step 3: Cross multiply
    27,803.01x = 38,368.71 × 15,227.76
  4. Step 4: Simplify right side
    27,803.01x = 584,269,507.39
  5. Step 5: Solve for x
    x = 584,269,507.39/27,803.01
  6. Step 6: Final answer
    x = 21,014.61

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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.