Home / 26,908.68-37,133.44-15,578.76

Finding the Fourth Proportional to 26,908.68, 37,133.44 and 15,578.76

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Solution

The fourth proportional to 26,908.68, 37,133.44 and 15,578.76 is: 21,498.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,908.68 : 37,133.44 = 15,578.76 : x
  2. Step 2: Convert to fraction form
    26,908.68/37,133.44 = 15,578.76/x
  3. Step 3: Cross multiply
    26,908.68x = 37,133.44 × 15,578.76
  4. Step 4: Simplify right side
    26,908.68x = 578,492,949.73
  5. Step 5: Solve for x
    x = 578,492,949.73/26,908.68
  6. Step 6: Final answer
    x = 21,498.38

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Half scale
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Double scale
Find fourth proportional to 26,909.68, 37,134.82 and 15,579.76
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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.