Home / 26,424.14-39,642.81-18,648.14

Finding the Fourth Proportional to 26,424.14, 39,642.81 and 18,648.14

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Solution

The fourth proportional to 26,424.14, 39,642.81 and 18,648.14 is: 27,976.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,424.14 : 39,642.81 = 18,648.14 : x
  2. Step 2: Convert to fraction form
    26,424.14/39,642.81 = 18,648.14/x
  3. Step 3: Cross multiply
    26,424.14x = 39,642.81 × 18,648.14
  4. Step 4: Simplify right side
    26,424.14x = 739,264,670.87
  5. Step 5: Solve for x
    x = 739,264,670.87/26,424.14
  6. Step 6: Final answer
    x = 27,976.87

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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.