Home / 26,817.88-37,024.96-20,838.28

Finding the Fourth Proportional to 26,817.88, 37,024.96 and 20,838.28

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Solution

The fourth proportional to 26,817.88, 37,024.96 and 20,838.28 is: 28,769.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,817.88 : 37,024.96 = 20,838.28 : x
  2. Step 2: Convert to fraction form
    26,817.88/37,024.96 = 20,838.28/x
  3. Step 3: Cross multiply
    26,817.88x = 37,024.96 × 20,838.28
  4. Step 4: Simplify right side
    26,817.88x = 771,536,483.47
  5. Step 5: Solve for x
    x = 771,536,483.47/26,817.88
  6. Step 6: Final answer
    x = 28,769.48

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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.