Home / 27,890.16-38,483.52-15,951.84

Finding the Fourth Proportional to 27,890.16, 38,483.52 and 15,951.84

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Solution

The fourth proportional to 27,890.16, 38,483.52 and 15,951.84 is: 22,010.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,890.16 : 38,483.52 = 15,951.84 : x
  2. Step 2: Convert to fraction form
    27,890.16/38,483.52 = 15,951.84/x
  3. Step 3: Cross multiply
    27,890.16x = 38,483.52 × 15,951.84
  4. Step 4: Simplify right side
    27,890.16x = 613,882,953.68
  5. Step 5: Solve for x
    x = 613,882,953.68/27,890.16
  6. Step 6: Final answer
    x = 22,010.74

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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.