Home / 28,376.44-39,160.70-15,801.19

Finding the Fourth Proportional to 28,376.44, 39,160.70 and 15,801.19

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Solution

The fourth proportional to 28,376.44, 39,160.70 and 15,801.19 is: 21,806.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376.44 : 39,160.70 = 15,801.19 : x
  2. Step 2: Convert to fraction form
    28,376.44/39,160.70 = 15,801.19/x
  3. Step 3: Cross multiply
    28,376.44x = 39,160.70 × 15,801.19
  4. Step 4: Simplify right side
    28,376.44x = 618,785,543.58
  5. Step 5: Solve for x
    x = 618,785,543.58/28,376.44
  6. Step 6: Final answer
    x = 21,806.32

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Half scale
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Double scale
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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.