Home / 27,803.14-38,368.32-15,227.86

Finding the Fourth Proportional to 27,803.14, 38,368.32 and 15,227.86

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Solution

The fourth proportional to 27,803.14, 38,368.32 and 15,227.86 is: 21,014.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,803.14 : 38,368.32 = 15,227.86 : x
  2. Step 2: Convert to fraction form
    27,803.14/38,368.32 = 15,227.86/x
  3. Step 3: Cross multiply
    27,803.14x = 38,368.32 × 15,227.86
  4. Step 4: Simplify right side
    27,803.14x = 584,267,405.40
  5. Step 5: Solve for x
    x = 584,267,405.40/27,803.14
  6. Step 6: Final answer
    x = 21,014.44

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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.