Home / 26,901.78-37,109.28-16,143.90

Finding the Fourth Proportional to 26,901.78, 37,109.28 and 16,143.90

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Solution

The fourth proportional to 26,901.78, 37,109.28 and 16,143.90 is: 22,269.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,901.78 : 37,109.28 = 16,143.90 : x
  2. Step 2: Convert to fraction form
    26,901.78/37,109.28 = 16,143.90/x
  3. Step 3: Cross multiply
    26,901.78x = 37,109.28 × 16,143.90
  4. Step 4: Simplify right side
    26,901.78x = 599,088,505.39
  5. Step 5: Solve for x
    x = 599,088,505.39/26,901.78
  6. Step 6: Final answer
    x = 22,269.47

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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.