Home / 28,876.28-43,272.95-17,002.01

Finding the Fourth Proportional to 28,876.28, 43,272.95 and 17,002.01

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Solution

The fourth proportional to 28,876.28, 43,272.95 and 17,002.01 is: 25,478.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876.28 : 43,272.95 = 17,002.01 : x
  2. Step 2: Convert to fraction form
    28,876.28/43,272.95 = 17,002.01/x
  3. Step 3: Cross multiply
    28,876.28x = 43,272.95 × 17,002.01
  4. Step 4: Simplify right side
    28,876.28x = 735,727,128.63
  5. Step 5: Solve for x
    x = 735,727,128.63/28,876.28
  6. Step 6: Final answer
    x = 25,478.60

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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.