Home / 26,830.78-40,152.00-21,552.82

Finding the Fourth Proportional to 26,830.78, 40,152.00 and 21,552.82

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Solution

The fourth proportional to 26,830.78, 40,152.00 and 21,552.82 is: 32,253.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,830.78 : 40,152.00 = 21,552.82 : x
  2. Step 2: Convert to fraction form
    26,830.78/40,152.00 = 21,552.82/x
  3. Step 3: Cross multiply
    26,830.78x = 40,152.00 × 21,552.82
  4. Step 4: Simplify right side
    26,830.78x = 865,388,809.08
  5. Step 5: Solve for x
    x = 865,388,809.08/26,830.78
  6. Step 6: Final answer
    x = 32,253.59

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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.