Home / 28,046.17-38,702.57-15,470.92

Finding the Fourth Proportional to 28,046.17, 38,702.57 and 15,470.92

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Solution

The fourth proportional to 28,046.17, 38,702.57 and 15,470.92 is: 21,349.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,046.17 : 38,702.57 = 15,470.92 : x
  2. Step 2: Convert to fraction form
    28,046.17/38,702.57 = 15,470.92/x
  3. Step 3: Cross multiply
    28,046.17x = 38,702.57 × 15,470.92
  4. Step 4: Simplify right side
    28,046.17x = 598,764,364.26
  5. Step 5: Solve for x
    x = 598,764,364.26/28,046.17
  6. Step 6: Final answer
    x = 21,349.24

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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.