Home / 27,951.84-38,573.64-15,205.02

Finding the Fourth Proportional to 27,951.84, 38,573.64 and 15,205.02

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Solution

The fourth proportional to 27,951.84, 38,573.64 and 15,205.02 is: 20,982.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,951.84 : 38,573.64 = 15,205.02 : x
  2. Step 2: Convert to fraction form
    27,951.84/38,573.64 = 15,205.02/x
  3. Step 3: Cross multiply
    27,951.84x = 38,573.64 × 15,205.02
  4. Step 4: Simplify right side
    27,951.84x = 586,512,967.67
  5. Step 5: Solve for x
    x = 586,512,967.67/27,951.84
  6. Step 6: Final answer
    x = 20,982.98

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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.