Home / 28,702.96-43,054.16-17,007.76

Finding the Fourth Proportional to 28,702.96, 43,054.16 and 17,007.76

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Solution

The fourth proportional to 28,702.96, 43,054.16 and 17,007.76 is: 25,511.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,702.96 : 43,054.16 = 17,007.76 : x
  2. Step 2: Convert to fraction form
    28,702.96/43,054.16 = 17,007.76/x
  3. Step 3: Cross multiply
    28,702.96x = 43,054.16 × 17,007.76
  4. Step 4: Simplify right side
    28,702.96x = 732,254,820.28
  5. Step 5: Solve for x
    x = 732,254,820.28/28,702.96
  6. Step 6: Final answer
    x = 25,511.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.