Home / 26,923.78-40,357.32-12,875.14

Finding the Fourth Proportional to 26,923.78, 40,357.32 and 12,875.14

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Solution

The fourth proportional to 26,923.78, 40,357.32 and 12,875.14 is: 19,299.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,923.78 : 40,357.32 = 12,875.14 : x
  2. Step 2: Convert to fraction form
    26,923.78/40,357.32 = 12,875.14/x
  3. Step 3: Cross multiply
    26,923.78x = 40,357.32 × 12,875.14
  4. Step 4: Simplify right side
    26,923.78x = 519,606,145.02
  5. Step 5: Solve for x
    x = 519,606,145.02/26,923.78
  6. Step 6: Final answer
    x = 19,299.15

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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.