Home / 26,278.78-36,264.81-14,342.38

Finding the Fourth Proportional to 26,278.78, 36,264.81 and 14,342.38

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Solution

The fourth proportional to 26,278.78, 36,264.81 and 14,342.38 is: 19,792.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,278.78 : 36,264.81 = 14,342.38 : x
  2. Step 2: Convert to fraction form
    26,278.78/36,264.81 = 14,342.38/x
  3. Step 3: Cross multiply
    26,278.78x = 36,264.81 × 14,342.38
  4. Step 4: Simplify right side
    26,278.78x = 520,123,504.32
  5. Step 5: Solve for x
    x = 520,123,504.32/26,278.78
  6. Step 6: Final answer
    x = 19,792.53

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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.