Home / 27,951.57-38,573.46-15,376.32

Finding the Fourth Proportional to 27,951.57, 38,573.46 and 15,376.32

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Solution

The fourth proportional to 27,951.57, 38,573.46 and 15,376.32 is: 21,219.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,951.57 : 38,573.46 = 15,376.32 : x
  2. Step 2: Convert to fraction form
    27,951.57/38,573.46 = 15,376.32/x
  3. Step 3: Cross multiply
    27,951.57x = 38,573.46 × 15,376.32
  4. Step 4: Simplify right side
    27,951.57x = 593,117,864.47
  5. Step 5: Solve for x
    x = 593,117,864.47/27,951.57
  6. Step 6: Final answer
    x = 21,219.48

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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.