Home / 26,929.54-40,338.78-15,802.48

Finding the Fourth Proportional to 26,929.54, 40,338.78 and 15,802.48

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Solution

The fourth proportional to 26,929.54, 40,338.78 and 15,802.48 is: 23,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.54 : 40,338.78 = 15,802.48 : x
  2. Step 2: Convert to fraction form
    26,929.54/40,338.78 = 15,802.48/x
  3. Step 3: Cross multiply
    26,929.54x = 40,338.78 × 15,802.48
  4. Step 4: Simplify right side
    26,929.54x = 637,452,764.17
  5. Step 5: Solve for x
    x = 637,452,764.17/26,929.54
  6. Step 6: Final answer
    x = 23,671.13

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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.